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Australian 2020 and 2021 WRX 6MT Support

We are extremely pleased to announce the immediate availability of the Accessport, Off The Shelf Maps, and Stage Power Packages for the Australian 2020 and 2021 Subaru WRX 6MT!  Historically, the Subaru WRX is a car that BEGS to be modified and this still holds true.  The Accessport allows users to flash a completely stock car and pick...

All New Coolant Overflow Tank for 15+ Subaru WRX/STI

Subaru Coolant Overflow Tank STI 2015-2021, WRX 2015-2021 Stock Coolant Overflow Tank The OEM Coolant Overflow Tank for the 2015+ WRX/STI does its job well enough. However, the cheap plastic material is ugly and will potentially crack over time.  This is especially true when driving hard and going through extreme heat cycles.  Also, it’s shape...

2021 Subaru WRX STI and 2021 WRX CVT Support

Following our previous release of 2021 Subaru WRX 6MT support, our Subaru team here at COBB is extremely excited to announce the availability of full tuning support for both the 2021 Subaru WRX STI and 2021 Subaru WRX CVT.  This round completes  2021 MY support for USDM WRX and STI vehicles.  Wondering which Subaru models we support? Check out...

2021 Subaru WRX Support

Subaru’s 2021 WRX 6MT is now fully supported within the COBB product line.  We have confirmed fitment of our bolt-on upgrades such as the Big SF Intake System, Top Mount Intercooler (both black and silver), and Air/Oil Separator.  The SUB-004 Accessport comes loaded with Off The Shelf Maps to support all of our common bolt-on upgrades.  For...

2015 + WRX Top Mount Intercooler Kit

One of the most important upgrades you can make to almost any turbocharged car is a more efficient intercooler.  Factory intercoolers are designed to be most efficient at stock power levels, so when we start generating additional heat with higher boost levels the stock unit can become overworked and quickly reach a point of heat...

Subaru 2015-2020 WRX CVT CCFv2 OTS Maps

Earlier this year, with the release of Accessport tuning support for the 2020 Subaru WRX CVT, we launched our first subset of Off The Shelf (OTS) Maps for the CVT WRX using our 2nd Generation COBB Custom Features (CCFv2) ECU type.  Historically, COBB’s OTS maps have been based upon the standard ROM and did not take...

Subaru 2015-2020 WRX 6MT Map Updates

Earlier this year, with the release of Accessport tuning support for the 2020 Subaru WRX, we launched our first subset of Off The Shelf (OTS) Maps using the 2nd Generation COBB Custom Features (CCFv2) ECU type.  Historically, COBB’s OTS maps have been based upon the standard ROM and did not take advantage of COBB custom features...

2019 Subaru WRX STI S209 Tuning Support

Nearly seventeen years ago, Subaru brought the first STI trimmed Impreza WRX to American shores and for the entirety of it’s existence in the US, the STI has been powered by a derivative of the EJ257 power plant.  In 2019 Subaru announced it would be bringing an S line car stateside, something you could previously only...

2020 Subaru WRX CVT Support

Subaru’s 2020 WRX CVT is now fully supported within the COBB product line.  We have confirmed fitment of our bolt-on upgrades such as the Big SF Intake System, 3″ Turboback Exhaust (both Resonated and Non-Resonated), and Air/Oil Separator.  The SUB-004 Accessport comes loaded with Off The Shelf Maps to support common bolt-on upgrades.  For those interested in...

2020 WRX 6MT Support Plus Accesstuner Updates

Subaru’s 2020 WRX is now fully supported within the COBB product line.  We have confirmed fitment of our bolt-on upgrades such as the Big SF Intake System, 3″ Turboback Exhaust (both Resonated and Non-Resonated), and Air/Oil Separator.  The SUB-004 Accessport comes loaded with Off The Shelf Maps to support all of our common bolt-on upgrades.  For those...

2020 Subaru WRX STI Support

2020 Subaru WRX STI Support Subaru’s newest WRX STI is now completely supported within the COBB ecosystem.  The Accessport, bolt-on upgrades, Stage Power Packages, and Off The Shelf Maps make upgrading your STI a straightforward process.  Interested in taking your STI beyond the scope of our packages and maps, contact one of our Subaru Protuners for...

Gen2 Custom Features for 2015-2019 Subaru WRX

Our Subaru team is thrilled to announce a large update for all USDM 2015-2019 Subaru WRXs.   Nearly three years ago we released the first round of COBB Custom Features for the DIT 2.0L Subaru WRX 6MT.  That release was largely centered around seamlessly adding powerful Flex Fuel capabilities to the 2015-2019 WRX.  As the performance...

Australian Market 2019 Subaru WRX 6MT Support

We are extremely pleased to announce the immediate availability of the Accessport, Off The Shelf Maps, and Stage Power Packages for the Australian 2019 Subaru WRX 6MT!  Historically, the Subaru WRX is a car that BEGS to be modified and this still holds true for the MY 2019 variant.  The Accessport allows users to flash a completely...

Australian Market Subaru Accesstuner and 2019 Subaru WRX STI ADM Support

Our Subaru team is excited to share two important releases with Australian Subaru customers!  First, we have rolled out Australian Subaru support into our end-user Accesstuner software.  All Australian Subarus currently supported by the Accessport can now be custom tuned using our end-user Accesstuner software.  Second, the 2019 WRX STI is now fully supported by the Accessport, Accesstuner...

New CVT Temperature Monitor for Supported WRX and Forester XT Vehicles

One of the more common requests we’ve seen/heard from CVT WRX and Forester XT Accessport users is to integrate a transmission temperature monitor into Accessport firmware.  With heat seeming to play a large role in the strength and reliability of these transmissions, keeping an eye on fluid temperature during higher load situations helps a driver...

Subaru Shifter Packages for 2015-2019 WRX 6MT

New drivetrain components from COBB Tuning provide drastic improvements in overall shift feel for your 2015-2019 Subaru WRX 6MT.  Row through gears in confidence with the all-new COBB Shift Plate, Shifter Bushing, and Shifter Stop.  Interested in a complete revamp of your car’s shifter?  Save a bit of money with one of two available Drivetrain Stage Packages!...

Subaru Titanium 3″ Cat-Back Exhaust 2011-2019 WRX / 2011-2019 STI Sedan

Style, quality, and performance. Why choose when you can have it all? There is something inherently cool about things made from titanium, but typically there is also some kind of compromise. With car parts, the compromise is usually price, but the new COBB 2015-2019 Subaru WRX and STI Titanium Cat-Back Exhaust offers an option that looks...

2019 Subaru WRX STI, 2019 WRX CVT Support, and New 2018 STI Type RA Maps

Following last week’s release of 2019 Subaru WRX 6MT support, our Subaru team here at COBB is extremely excited to announce the availability of full tuning support for the 2019 Subaru WRX STI, additional parts and Off The Shelf Maps for the 2018 Subaru WRX STI Type RA, and Accessport tuning support for the 2019 Subaru...

2019 Subaru WRX Support and Subaru Accesstuner Updates

Our Subaru team is excited to announce two major updates!  Full tuning support, including Stage Power Packages and Off The Shelf Maps, is now available for the USDM 2019 Subaru WRX (6MT Only).  Subaru Accesstuner software has also received updates and new tables/monitors for select vehicles.  USDM 2019 STI and WRX CVT owners, don’t fret. ...

Subaru WRX STI Type RA Accessport and Parts

Support for Subaru’s newest version of the STI is now available!  The 2018 WRX STI Type RA is the limited edition car Subaru enthusiasts have been waiting for.  Upgrades over the standard WRX STI make it a true weapon on the road course, inspired by the 2017 Nürburgring record-setting car.  Well, the fastest ever just got faster. ...

Australian 2018 Subaru WRX and WRX STI Support

We are extremely pleased to announce the immediate availability of the Accessport, Off The Shelf Maps, and Stage Power Packages for the Australian 2018 Subaru WRX and 2018 WRX STI!  Historically, the Subaru WRX and STI are two cars that BEG to be modified and this still holds true for the MY 2018 variants.  The Accessport...

Subaru Cooling Package for 2008-2014 WRX and 2008-2018 STI

One of the biggest side effects of increasing power output out of a combustion engine is the extra heat that comes as a byproduct.  This increase is even more evident on turbocharged vehicles.  Factory cooling systems (radiator, thermostat, etc.) are designed to address the heat generated by a mechanically stock vehicle and are usually effective enough with basic...

DIT WRX/FXT ACN91 MAPS?

Hey, why isn’t there an ACN91 tune for the 2015+ WRX and 2014+ FXT?   Great Question! With Subarus using the EJ platform, we’ve always made a variation of each OTS map for 93, 91, and ACN91 octane fuels. We want to make sure to take good care of our west coast homies despite their less...

2018 Subaru WRX STI and Forester XT Accessport and Power Packages

Subaru’s 2018 WRX STI and Forester XT can now be tuned with the COBB Accessport!  Support for the 2018 WRX STI includes all of our bolt-on modifications and Stage Power Packages that STI owners have been using to release potential from their 2015-2017 STIs.  The 2018 Forester XT is largely the same as previous years and...

2018 WRX BigSF Intake, Power Packages, and Off The Shelf Maps

Earlier this year we learned of Subaru’s face-lift to the 2018 WRX and STI models.  Both models received nice changes to styling cues along with a few performance enhancements.  While we initially hoped our existing BigSF Intake System for the 2015-2017 WRX would remain a bolt-on solution for the 2018 WRX, changes to the car’s...

2018 Subaru WRX Accessport And Compatible Hard Parts

The Subaru team at COBB Tuning is excited to announce the immediate availability of Accessport and bolt-on hard part compatibility for the USDM 2018 Subaru WRX (6MT and CVT).  Subaru’s newest WRX comes with some nice upgrades over the previous model year.  We turn it up just a bit to transform this capable performance sedan...

COBB Custom Features for 2006-2007 WRX / 2004-2007 STI

COBB Custom Features are now available for supported GD Subaru WRX and STi vehicles!  Outlined below are the additions to Accesstuner Pro and Accessport firmware as a part of this release.  Most notable features are Flex Fuel, Fuel Pressure Differential, Per Gear Boost Targets/Wastegate Duty Cycle control, and Custom Sensor Logging.  Along with these software updates,...

Subaru Announces 2018 WRX and WRX STI!

Today Subaru of America unveiled the 2018 WRX and WRX STI with some nice upgrades across the board.  While power plants remain the same with the WRX featuring a 268 HP 2.0L direct injected turbocharged BOXER engine and the STI continuing on with the 305 HP 2.5L turbocharged BOXER engine, a slew of upgrades to...

2015-2017 Subaru WRX Flex Fuel Now Available!!

Earlier this year we were able to release COBB Custom Features for the 2008+ WRX and STI.  The most sought-after feature in that release was the ability to create true Flex Fuel calibrations for  your car.  Gone are the days of having to switch calibrations every time you visit the gas pump.   The Flex...

Subaru GD WRX/STI FMIC Kit Now Available!!

All new from COBB Tuning – 2004-2007 WRX/STI Front Mount Intercooler Kits! We are very excited to announce a new line of intercooler products for the 2004-2007 WRX and STI!  COBB now offers full Front Mount Intercooler kits as well as components to suit any level of build. New Subaru Front Mount Intercooler Kits  ...

2017 WRX Accessport & OTS Maps Now Available!

The COBB Accessport and Accesstuner software are now compatible with the 2017 Subaru WRX.  Owners can now enjoy all of the parts and features they’ve come to expect from COBB Tuning including the Accessport, Stage Power Packages, and Off The Shelf Maps. Accessport Firmware Updates All SUB-004 Accessports with firmware version 1.7.3.0-13238 or greater are now...

New Black Core Subaru FMIC Kits and 2015+ WRX/STI Cat-Back Exhaust Revision!

Introducing a couple of minor but exciting changes to the COBB hard parts line-up for your Subaru!  The COBB Front Mount Intercooler kits for 2008-2014 WRXs and STIs are now available with a Black Intercooler Core option and our 2015+ WRX / STI Cat-Back exhaust now features a stamped COBB logo in the muffler canisters....

2017 Subaru WRX STI Accessport Available Now

The 2017 Subaru WRX STI is now supported by the COBB Accessport!  All SUB-004 Accessports with qualifying firmware will now be compatible with the 2017 WRX STI.  Stage 1 and Stage 2 configurations are supported via Off The Shelf Maps (OTS Maps).    Additional Off The Shelf Maps and associated Power Packages will be available...

New Subaru Products – 2011-2014 WRX FMIC Kit, 2015+ WRX/STI License Plate Delete, Replacement Air Filter

New Subaru products for June 2016 include a 2015+ WRX/STI License Plate Delete and a Front Mount Intercooler Kit for the 2011-2014 Subaru WRX.  Also available are the all new 710 Series Oil Cap and 1.3Bar Radiator Cap! Subaru Front Mount Intercooler Package for 2011-2014 WRX   Looking for an effective solution to eliminate inconsistent power...

Subaru WRX 2015 and 2016 Intake Now Available!

The COBB Big SF Intake is now available for the 2015-2016 WRX 6MT and CVT vehicles!  The Big SF Intake for the 2015-2016 Subaru WRX is constructed of full 3″ aluminum tubing, a custom aluminum airbox, and a dual cone intake filter. Mandrel bent and powder-coated black, the 3″ intake tube and custom airbox look great...

2016 WRX CVT Accessport, Accesstuner Support for ALL 2016 WRXs

Accessport support for the 2016 Subaru WRX CVT is now available! All AP3-SUB-004 Accessports with updated firmware (1.7.2.0-10781 or newer) are now compatible with the 2016 CVT WRX.  Update your Accessport with ease by using COBB Accessport Manager software.  Support includes our standard Off The Shelf map offering for the DIT WRX.  The following maps are included in firmware...

2016 Subaru WRX 6MT Support now LIVE!

Accessport support for the 2016 Subaru WRX 6MT is now available! All AP3-SUB-004 Accessports with updated firmware (1.7.2.0-10729 or newer) are now compatible with the 2016 6MT WRX.  Update your Accessport with ease by using COBB Accessport Manager software.  Support includes our standard Off The Shelf map offering for the DIT WRX.  The following maps are included...

2015 Subaru WRX – New Accesport Features and Accesstuner Updates! Realtime Flashing, Launch Control, and Flat Foot Shifting!

If you’ve owned an earlier model turbo Subaru you know that COBB is the premier provider of aftermarket tuning and hard parts.  We constantly evolve to meet new demands and strive to lead the industry.  Part of that evolution includes adding Accessport custom features to further enhance your vehicle’s ECU.  We’re happy to announce that Realtime...

2015 WRX Tuning Results : 344 WTQ / 313 WHP

We have enjoyed seeing all of the 2015 WRX custom tune results being posted around the ‘net and decided to jump in with our own after a bit of playing around with our car on the Austin R&D dyno today. While this combo of parts isn’t likely to be an pre-configured OTS “StageX” package that is available...

2015 WRX Rev Hang

For 2015, Subaru introduced a completely overhauled WRX!  There are some awesome new changes, like direct injection,  and other changes many aren’t too thrilled about.  Subaru’s new “Rev Hang” logic seems to top the list of complaints.  Luckily though, COBB is hard at work coming up with a solution! What is Rev Hang? Typically, when you are in...

2013 Subaru STI, WRX and FXT AccessPORT Support Available Now!

COBB is excited to announce immediate support for the 2013 Subaru STI, WRX and Forester XT models! Owners of the latest high-performance Subarus can now attain the same level of power and control with the AccessPORT as enjoyed by previous model year owners. Our AccessTUNER software has also been updated to allow custom tuning of...

COBB 2008+ Subaru WRX and STI Sport Springs

COBB is proud to announce the immediate availability of the 2008+ Subaru WRX and STI Sport Springs. The COBB 2008+ Subaru STI and WRX Sport Spring Kit is the best first step to a better handling and better looking car. The 7/8” drop front and 7/8” drop rear lowers the car’s center of gravity to...

COBB 2004-2007 Subaru WRX and STI Sport Springs

COBB is proud to announce the immediate availability of the 2004-2007 Subaru WRX and STI Sport Springs. The COBB 2004-2007 Subaru STI and WRX Sport Spring Kit is the best first step to a better handling and better looking car. The 1.25” drop front and 1” drop rear lowers the car’s center of gravity to...

COBB 2002-2007 Subaru WRX Anti-Sway Bar Kit

COBB is proud to announce the immediate availability of the 2002-2007 WRX Anti-Sway Bar Kit. The COBB 2002-2007 Subaru WRX Anti-Sway Bar Kit is one of the most effective ways to improve handling without negatively affecting ride quality or NVH. The perfectly balanced kit increases front bar stiffness to 880 lbs/in and rear bar stiffness...

NASIOC Top Scoob 029: Matt Kincaid’s 9 Second WRX

Top Scoob is an occasional themed contest on NASIOC Forum where users vote for their favorite cars. NASIOC’s Top Scoob 029 for Christmas and the Quarter Mile saw several very fast and great looking Subarus competing for the top spot. When the dust settled, Matt Kincaid’s 9 second bugeye WRX finished on top, just like...

COBB AccessPORT Now Available for 2012 Subaru STI and WRX

COBB Tuning is excited to announce immediate support for the 2012 Subaru STI and WRX! Now owners of the latest high-performance Subarus can attain the same level of power and control with the AccessPORT as enjoyed by previous model year owners. Our AccessTUNER software has also been updated to allow custom tuning of the 2012...

Return of the 2008-2010 WRX 5-Door Catback Exhaust!

Another popular product has made it back on our shelves! The COBB Tuning 2008-2010 WRX 5-Door Single-Tip 3″ Stainless Steel Catback Exhaust is in stock now. This is a perfect factory exhaust replacement engineered specifically to fit the unique rear bumper configuration of the 2008-2010 5-door Impreza WRX. Installation is easy, using all of the...

High Wastegate Maps Available for 2010 WRX

New AccessPORT Calibrations are available for the 2010 WRX. High Wastegate Duty Cycle maps are now available for 2010 WRXs equipped with stock intakes. Our High Wastegate (HWG) maps are designed to work with cars that are having difficulty hitting boost targets or have otherwise poor boost response.  Boost targets are the same as our...

COBB Tuning SS Turbo Heat Shield for 2009+ Subaru WRX

Keep your engine bay cool and add some style to your 2009-2011 Subaru WRX with the COBB Tuning Stainless Steel Turbo Heat Shield. The COBB Tuning Stainless Steel Heat Shield is an attractive direct replacement for the unsightly factory piece. This turbo heat shield can shroud a completely stock turbo and exhaust system or can...

COBB SF Intake for 08-11 Subaru STI, WRX and GT

COBB Tuning introduces the popular SF Intake for 2008-2011 Subaru STI , WRX and Impreza 2.5GT vehicles. Intake design plays a critical role in the engine management system’s ability to properly meter ingested air and provide accurate ignition and fuel. The SF Intake is engineered for maximum performance, sensor consistency and long term reliability. The...

COBB Post MAF Hose for 08+ STI/WRX and Legacy GT

COBB Tuning announces the availability of the COBB Post MAF Hose for the ‘08+ Subaru STI, ’08+ Subaru WRX and ’05-’09 Subaru Legacy GT. The COBB Post MAF Hose balances form and function with its smart appearance and turbulence taming characteristics. The COBB Post MAF Hose joins the stock airbox (or optional COBB SF Intake)...

New Updates for 2002-2005 Subaru WRX AccessPORT AP-SUB-001

COBB Tuning has just released an AccessPORT firmware update for the 2002-2003 and 2004-2005 Subaru WRX (AP-SUB-001). This update repairs two minor bugs with the AccessPORT, adds new functions and streamlines  the menu screens. This update supports v2 and v2b units, meaning that both versions  use the same firmware release: 1.6.0.0-12994. In addition, all “BETA”...

Import Tuner Power Pages: Proven WRX AccessPORT Power!

As automotive enthusiasts, we are always looking for ways to increase the performance of our cars. While bolting that shiny, bling’in exhaust on your car may be the most visually attractive option, it won’t always net you the most power. That is where the COBB Tuning AccessPORT comes into play. In a recent issue of...

Launch Control and Flat Foot Shift BETA now available for 2008+ STI and 2010 WRX

The Launch Control and Flat Foot Shift BETA is now available on all 2008-2010 Subaru STIs and the 2010 WRX*. This feature is currently available only with LC/FFS enabled OTS maps for the specific models mentioned. Use at your own risk! All Subaru AccessPORT part number AP-SUB-003 can enable Launch Control and Flat Foot Shifting...

Project Car Magazine installs the best modification you can make to your WRX!

At COBB Tuning, we believe that the AccessPORT is the best modification you can make to your performance car, but don’t just take our word for it! The Winter issue of Project Car Magazine features the installation of a COBB Tuning AccessPORT on Project Car’s very own 2002 WRX! Now that the 2002 WRX is...

2010 WRX AccessPORT Available Now!

COBB Tuning is happy to announce the release of AccessPORT and Off the Shelf map support for the 2010 WRX. The COBB Tuning AccessPORT for 2010 WRX is available from all COBB Tuning retail locations and authorized dealers, now! Current AP-SUB-003 AccessPORTs are compatible with the new car with firmware update! Unlock power hidden within...

COBB Tuning Plano Makes Big Power 2008 WRX with E85 Fuel

While the debate about alternative fuel sources, reliance on foreign oil and fuel source versus fuel source for bio fuels rages, the availability of E85 should make power junkies smile. The 85% blend of ethanol and 15% gasoline is the equivalent of 105 octane, that’s like having race fuel available at the pump, and you...

2008 WRX – Catback Exhaust

Our catback exhaust system is now available for the 2008 WRX (5-door). Fully constructed from high grade 304 Stainless Steel, and TIG welded for amazing fit and finish. Personally, I think it sounds amazing and looks fantastic. Not too flashy as to get unwanted attention, but definitely with more of a performance look than the...

Gillman WRX : Import Reactor

If you haven’t noticed, I’m just a LITTLE behind on updating our blog. Things have been a little busy to say the least.  I’m going to try and make several updates in semi-chronological order. Our friends at Gillman Subaru were kind enough to update us on the latest with their 2008 Subaru WRX. Recently their...

2008 WRX Suspension Video

So I’m a little behind on blog posts, sorry! We recently released our suspension upgrades for the 2008 Subaru Impreza WRX. To demonstrate how our solutions perform, we invited local driving phenom (and celebrity – Setup on SpeedTV) Matt Guiver to take our 2008 WRX out on track and give us feedback on both the...

’02-07 WRX/STi SF Intake Air Box

Our much anticipated cool air box for our SF Intake is now available. It will be up on our website, and on their way to dealers, before the end of this week. Overall we went for a clean, if slightly understated, look with of course a high degree of function and a lot of ‘attention...

2008 WRX Sports Springs

Debuted at SEMA, our Sports Springs for the 2008 WRX are now available and shipping. Check out the pictures below to see the difference in ride height. Our design goal for these springs were to: a) Improve handling and increase spring rate, but to also match the stock strut valving. b) Improve ability to rotate...

2008 WRX – SEMA demo vehicle

In our booth this year we debuted our new 2008 WRX 5-door demo vehicle. This vehicle was equipped with the following items: AccessPORT handheld ECU tuner (mid-December release date) COBB 304SS 3″ Catted Downpipe (available now) COBB 304SS 3″ Cat-back exhaust (1st quarter 2008 release) COBB SF Intake w/ optional cool air box (1st quarter...

Preparing for SEMA – 2008 WRX

Such a love-hate relationship I have with the SEMA show. I guess the same could be said for the New Impreza. Opinions are definitely varied around the shop with regards to the 2008 WRX. Even more so the upcoming STi. Once again we’ll have a booth at SEMA where we’ll be announcing quite a few...

Milestones

2012 Accesstuner Pro Speed Density Released for 2.5L Turbocharged Subarus in January. CP-E Selects COBB Tuning Accessport as Primary Engine Management Solution for MAZDASPEED and BMW. 2011 Accessport for 08-10 BMW 135i, 335i & 535i Released in January. COBB Tuning SF Intake for 2008+ Subaru STI, WRX and Impreza 2.5GT Released in February. COBB Tuning...

Cobb History

In 1999, Trey Cobb founded COBB Tuning to provide high performance components and services to the Subaru aftermarket. At the time, the words “Subaru” and “performance” were not something very many people in North America would ever consider using in the same sentence. Add the fact that the business was started with hardly any working...

Subaru v400 Map Updates and New ROM Support

V400 Subaru WRX, STI, Legacy, Outback, and Forester Off The Shelf Maps All Subaru Accessports are eligible for a firmware update as a part of this release.  New off the shelf maps for most supported EJ-powered Subarus and the addition of new ROM support for newer vehicles round out notable changes.  At the core of this...

Downpipes vs Headers

Downpipes vs Headers Most enthusiasts know that increasing exhaust flow can help increase horsepower.  This is typically why exhaust modifications are so popular.  An upgraded downpipe or header can accomplish increased flow but, which upgrade provides the most power gains?  Let’s talk downpipes vs headers. We’ve previously touched on the different components of the exhaust...

Titanium vs. Stainless Steel Exhaust: What’s the Difference?

Titanium Stainless Steel When it comes to performance modifications for your vehicle, modifying the exhaust system ranks at or near the top of the list.  By opening up that exhaust flow, you’re able to gain performance, but perhaps even more importantly, gain the ability to conduct a symphony with your right foot.  The exhaust sound can be...

Cat-back, Turboback, and Axle-Back Exhausts: A Comprehensive Guide

We know that somewhere along the upgrade path, most car enthusiasts intend to upgrade some portion of the exhaust.  But, there are several different sections and each section can be made of variable parts.   It’s important to have an understanding when shopping for exhaust upgrades or to simply know what modifications you have installed in...

COBB Downpipe Updates

  One of the first modifications generally made to a turbocharged car is an upgraded downpipe.  For over a decade, COBB downpipes have been the status quo when it comes time to upgrade your Subaru, Mazda, Mitsubishi, Ford, and more.  Featuring quality stainless tubing and CAD-designed cast bellmouths, our downpipes are the best fitting and most proven...

Different Types of Downpipes Explained

Different Types of Downpipes Explained As car enthusiasts, we’re always looking for aftermarket upgrades to make our vehicles perform better.  One of the first modifications most turn to is the exhaust.  Opening up the exhaust system allows spent gasses to exit the system more quickly.  We’ve covered several exhaust components before and now we’ll consider the...

New COBB Sun Shades by Covercraft

It’s that time of year, where our favorite hobby becomes temporary torture as the inside of a car feels more like the inside of an oven. But the latest COBB collab has the solution for that. Just in time, we’re happy to introduce our new COBB x Covercraft Sun Shades! Features If you live in a...

Accessport for 2019-2020 Subaru Ascent

Our Subaru team here at COBB is excited to announce support for Subaru’s flagship SUV, the all new Ascent.  For those not completely familiar with the Ascent, it is powered by a Turbocharged 2.4L Direct Injected 4-cylinder motor, dubbed the FA24F.  As emissions and mileage standards become more and more strict, more manufacturers are moving...

COBB20 – Celebrating 20 Years of COBB Tuning

Cobb Tuning is 20 years old! It’s hard to believe that just 20 years ago, Trey Cobb began tuning cars in the back of his dad’s tire shop.  At the time, Trey was working at Rotary Performance and wanted to explore Subaru tuning as a side project.  The Impreza 2.5RS was Subaru’s entry into the...

Reverse Lockout Pull and Drivetrain Packages for 2004+ STI

The COBB Tuning Hard Parts Team is excited to announce a new product for all 2004-2019 Subaru WRX STIs!  The all-new COBB Reverse Lockout Pull adds a complimentary touch to your STI’s interior and the ever-popular 6-Speed COBB Knob. The Reverse Lockout Pull is available in four configurations to perfectly coordinate with your car’s interior and the...

SubiNats 2019 – Philip Island Grand Prix Circuit

Australia’s Impreza WRX Club hosted this year’s SubiNats event at Philip Island Grand Prix Circuit, nestled along the southern coastline of Philip Island in Victoria, Australia.  This event featured everything from go-karting, a Motokhana skidpad(autocross with water for the Americans), car show, and a headline time attack event on the Grand Prix Circuit. On Saturday, the Circuit...

Updated Subaru Turbo Heatshields

Subaru Turbo Heatshield 2002-2007 WRX, 2004-2008 FXT, 2004-2019 STI Subaru SS Turbo Heatshield 05-09 LGT, 05-09 OBXT, 08-14WRX, 09-13 FXT Appearances can be deceiving. You might think…how important can a single piece of stainless steel with 3 little bolts be? You might also assume by looking at it, that it’s a super easy part to...

Tuning a Subaru

Tuning a Subaru Most owners know by now that tuning a Subaru is one of the best bang for your buck modifications you can make.  But, lesser known is how exactly to tune a Subaru.  There are many ways accomplish tuning your Subaru.  These can be incredibly complicated and involve knowing how to tune a car.  Whether...

New Subaru Turbocharger Heat Shield

A turbocharger heat shield acts as a barrier for radiant heat produced by the turbocharger’s turbine housing. Deflecting this heat down protects key components in the engine bay which rely upon cooler ambient temperatures.  The COBB Tuning Heatshield is a replacement for the factory turbo heat shield found on most Subarus. Installing a turbocharger heat...

Turbo Blankets Now Available for Subaru and Ford Models

Turbo blankets.  They look cool, but are they actually beneficial?  Yes.  Yes, they are.  Benefits can be found on both sides of the blanket.  Obviously it prevents the turbo from heat soaking its neighbors in the engine bay, but the real magic happens on the underside.  With a turbo blanket installed, the turbo RPM acceleration improves....

Lowering Springs, Coilovers, and Air Suspension: An Overview

Lowering Springs, Coilovers, and Air Suspension: An Overview A vehicle’s suspension is one of the most critical but often overlooked systems.  It consists of several components that connect the chassis of the vehicle to the road surface.  There are different ways to make up a suspension system like coilovers or leaf springs but all work to...

Newly Designed COBB LF Bypass Valve

The bypass valve is a straightforward component that can be found in most turbocharged engines.  Its purpose is to relieve boost pressure in the intake tract when the throttle blade closes.  This is done to decrease wear on turbo and engine parts.  While this is a fairly simple task, leaks or inconsistencies in the operation of...

Subaru Titanium Exhaust Stage Power Packages

The COBB Tuning 3″ Titanium Cat-back Exhaust is now available in our Stage Packages!  The COBB Titanium Cat-Back Exhaust is unmatched in build quality, style, and performance. Utilizing grade 4 titanium tubing, this cat-back offers high corrosion resistance and protection from impacts. Back purging ensures quality welds that will not fail due to contamination. The entire...

Subaru Accesstuner Gets COBB Custom Features for Legacy GT and Forester XT

  In November of 2018, we launched COBB Custom Features for certain Forester XT and Legacy GT vehicles.  Until now, only certified COBB Tuning Protuners with Accesstuner Pro HL software have been able to create custom tunes using the CCF ECU type.  Today, we are excited to announce that our end-user version of Subaru Accesstuner now supports...

How to Make Your Car Sound Better

How to Make Your Car Sound Better Enhancing the audible feedback can make the driving experience a lot more fun and will often come with some slight performance gains as a bonus.  The noises we want to enhance come from air moving in or out.  This is from one of two ends; the intake or...

Flex Fuel for Subaru Forester XT and Legacy GT

Nearly three years ago, we released our first true Flex Fuel conversion solution for the 2008-2014 Subaru WRX and STI.  Since then, our Subaru team has developed the same complete turn-key solutions for the 2015-2019 WRX and expanded support through the 2019 STI.  Amidst that work, we’ve been fielding a ton of requests from the...

Subaru Nationals 2018 Recap

US41 Motor-Plex in Morocco Indiana was the home for the 3rd annual Subaru Nationals in 2018. The small town drag strip is plopped right in the middle of several huge corn fields, which was the perfect setting to play host to a bunch of snarling, ethanol-fueled Subarus from all across the country. Each year the number of...

Just bought your first “Tuner Car”? This is where you start…

Every car guy is there at some point. You’ve saved up the money and you’re super pumped to go purchase your first “Tuner Car”. For most people, that more accurately equates to a “Used Tuner Car”. No matter how many vehicles I purchase, I still have to battle the desire to overlook glaring red flags...

TX2K18 – COBB Tuning Event Recap

It’s that time of year again. In mid-March, most people think about spring break and the beach…but not everybody. For fans of big turbos and smokey burnouts, TX2K has become the ideal destination of the season. In 2018 the event was hosted once again by Royal Purple Raceway in Baytown, Texas. The mix of a...

Subaru ECU Tuning : Realtime vs Reflash

Intro: One of the most commonly misunderstood details of tuning a Subaru with an Accessport is the difference between “Realtime” and “Reflash” options when changing maps. In order to fully understand the differences I could write a pretty long essay, but we’ll stick to the higher level information today. The goal is to just make...

Limited Edition Subaru Engine Dress-Up Packages

Adding a bit of flair to your engine bay can set your car apart from the rest.  Limited Edition Subaru Engine Bay Dress Up Kits are available EXCLUSIVELY at cobbtuning.com. Quantities EXTREMELY LIMITED! We’re limiting customers to a single unit of each color package. Orders with more than one unit of the same color package...

Subaru Engine Bay Dress Up Packages

Looking to clean up your Subaru’s engine bay?  We are excited to now offer an assortment of packages to help make that process easier!  The introduction of three new packages centered around our existing Radiator Shroud, Alternator Cover,  Battery Tie Down, Crank Pulley, and Oil Cap make piecing together your under-hood parts much simpler! Subaru Engine Bay Package...

2008-2017 Subaru STI Stage 3 1050x Stage Packages and OTS Maps

Great news! All new Stage 3 Stage Power Packages and parts for USDM 2008 – 2017 Subaru STIs are available now! For several years tuning an STI beyond the Stage 2 level has typically required cherry picking parts from several different companies with varied results. While we previously offered Stage 3 Power Packages, earlier this year we recognized...

SUBARU NATIONALS 2017 RECAP

There isn’t much to be found in the small town of Byron, Illinois, but if you’re in the mood for lots of power and clouds of white smoke, they’ve got you covered. Just peaking over the treeline in the distance, a nearby nuclear power plant serves as a fitting backdrop for the Byron Dragway. In it’s...

Subaru – Data Logging Overview

It’s never a bad idea to examine what’s going on behind the scenes to determine how well your car is running.  This is especially important anytime tuning changes or hard part modifications are made to your vehicle.  Completing a data log and reviewing the results can help troubleshoot or identify any issues that may be present....

Expanded Australian Subaru Support

The COBB Tuning Accessport now supports 2008-2017 Subaru WRX and STI!  Our Subaru team has been hard at work adding support for additional Subarus found in the land down under.  With this release we round out newest model year support for the 2017 WRX and STI along with adding support for all 2008-2014 WRX and...

Buying a Used Accessport

Most of us would probably have a 10 second (or faster?) car if we could.  Most of us also have the same hurdle when it comes to reaching that or any other car goal that requires modifications.  It usually comes down to money.  In an effort to stretch the car budget a little further, it’s...

Forced Performance

Forced Performance, of McKinney, Texas, is the premier manufacturer of high performance, race proventurbochargers. We manufacture and sell aftermarket ball-bearing turbo chargers to customers worldwide – including the USA, Canada, Australia and the UK. Our clients buy FP Red, FP Green and FP Blackturbos, for their Mitsubishi Evo or Subaru WRX STi, and drive them...

Product Release : Subaru BPV Adapters & Intercooler Piping, Volkswagen COBB Knob & Boost Tap

We are proud to announce some exciting new parts for supported Subarus and Volkswagens! Subaru FMIC BPV Adapters Want to keep your bypass valve but have a new intercooler kit with a different connection? Use the COBB BPV Adapter to fit a standard Subaru flange BPV to a 1″ universal tube connection.  This adapter can be...

Event Recap – Wicked Big Meet 2016

Wicked Big Meet 2016 marked the largest Subaru enthusiast festival ever.  Every year, thousands of Subie owners gather together at Stafford Motor Speedway in Stafford Springs, Connecticut to enjoy camaraderie, an All Subaru Autocross and Car Show, over 60 vendors offering killer event pricing, a raffle that gets more impressive every year, and activities for the whole...

COBB 20g Powered STI Takes Class Win at Import Face Off

We want to extend a congratulations to Darius W. for taking the victory at Import Face Off this past weekend in Joliet, IL.  A fastest pass of 10.9 @ 123.8mph was good enough to take the win for the Forced Induction Sport class. The 4WARNED STI is utilizing a Stage 3 Short Block and built...

Subaru OTS Maps: High Wastegate, Low Wastegate, Normal Wastegate

The COBB Tuning Accessport comes with Off The Shelf (OTS) maps designed to support any vehicle of a specific make and model throughout all climates and elevations.  For the Subaru platform, most vehicles have a wastegate option that can be chosen to better fit your car for its specific conditions.  Here we’ll define the differences in these wastegate options...

Addressing Subaru’s DIT ECU Recall

Subaru has recently issued a recall for some 2014 and 2015 2.0L DIT WRX and Forester XT vehicles. The recall, titled ‘WQW58 2.0 DIT Pre-Ignition Service Program’, updates older DIT ECUs to Subaru’s latest tuning and engine logic strategies. Enter your VIN into Subaru’s Online Tool to see if your vehicle is eligible for the...

Interpreting Dyno Results

How much power does it make?  It’s a good question.  Although the answer typically results in an argument among enthusiasts it does help us gain perspective on just how capable a car might be.  More importantly, knowing how much power a certain modification makes helps determine whether it’s worth our hard earned cash.  To find the answer, we use a...

Subaru Flex Fuel Is Here!

First, we teased you.  Then, we taught you.  Now, we empower you. COBB Custom Features The time has come!  Subaru Flex Fuel is now available via COBB Custom Features.  Updates to the Accessport V3 and Accesstuner Pro now allow users to configure their vehicles to run a true flex fuel setup.  Gone are the days of...

Australian Subaru Support

  COBB is introducing the first ever non-USDM Subaru support for Australian Marked (ADM) Subarus.  The Accessport, hard parts, and off the shelf maps are now available for the 2015+ WRX and 2015+ STI!  Australian support will also include all of the latest features outlined in our recent Flex Fuel Announcement. Vehicle Support 2015 Subaru...

Subaru Flex Fuel – Components, Packages, and R&D Efforts

Subaru Flex Fuel Launch Date – January 12, 2015 We’ve been slowly releasing information regarding our upcoming Subaru Flex Fuel release.  If you haven’t seen our Subaru Flex Fuel and Subaru Flex Fuel Updates articles, feel free to get caught up before diving in here. With the release of our Subaru Flex Fuel features just around the corner, we...

COBB XLE Bypass Valve Improvements

The bypass valve is a straightforward component that can be found in most turbocharged engines.  Its purpose is to relieve boost pressure in the intake tract when the throttle blade closes.  This is done to decrease wear on turbo and engine parts.  While this is a fairly simple task, leaks or inconsistencies in the operation of...

Subaru Flex Fuel Update!

As promised, we have a TON of updates regarding our forthcoming release of Subaru Flex Fuel.  Buckle up, this is a long one! If you frequent the COBB Blog you’re someone that could always use some more horsepower.  You also have or at least consider modifying your car with different bolt-on parts.  That, along with proper...

Now Available – Subaru Alternator Covers and Radiator Shrouds!

Dress up your Subaru engine bay with our new Aluminum Alternator Cover and Radiator Shroud! Subaru Aluminum Alternator Cover Compatible with 2008-2016 STI and 2008-2014 WRX.  This cover mounts in place of the plastic factory piece and perfectly compliments the Aluminum Radiator Shroud and COBB SF Airbox. Subaru Aluminum Radiator Shroud Compatible with 2008-2014 WRX...

Pikes Peak Hill Climb Part 3 – Race Day

The Porsche 991 Turbo S sponsored by Porsche of Colorado Springs, Zuvu TV, BBi Autosport, COBB (and so many others) came First Place in the Time Attack 2 class for the 2015 Pikes Peak International Hill Climb!  Woohoo!!  Here’s a look at the complete run featuring GPS tracking and vehicle data imported from an Accessport...

2016 STI Support and New Subaru Power Packages!

2016 Subaru STI Support We are extremely pleased to announce the immediate availability of 2016 Subaru STI support!  This includes Accessport, Accesstuner, and hard-parts compatibility!  All SUB-004 Accessports with firmware version 1.7.2.0-10614 or newer are now compatible.  To update your Accessport firmware, simply download Accessport Manager and follow the on-screen instructions.  This firmware will include all...

Turbo Tech Part 1: How Turbochargers Work

Many enthusiasts are constantly looking for ways to squeeze more power out of their engines.  One way to accomplish this is by providing more air and fuel into each cylinder allowing the potential for more powerful explosions.  This can be done several different ways like making the cylinder bigger (larger bore/stroke), keeping valves open longer (camshaft changes), or...

Wicked Big Meet – COBB Recap

Once a year the small town of Stafford Springs, CT becomes Subaru Central for thousands of die-hard enthusiasts.  People drive from all over North America to attend what has now become the world’s largest gathering of Subaru enthusiasts, dubbed Wicked Big Meet.  This year, 6,300 enthusiasts including vendors, volunteers, and attendees made this the largest...

Forester Friday Part 2

Last week featured the first and second generation Foresters.  Next in the Forester evolution comes the third gen SH model.  This generation is a complete redesign from the previous and offered some desirable new features. SH: 2009-2013 The different trim levels available were similar to the SG where a base, base with luxury items, and...

Forester Friday Part 1

SF: 1997-2002 The Forester has gained quite a following since it was first introduced in 1997.  This was one of the first compact SUVs and helped the “crossover” class reach its current popularity.  Based on the nimble Impreza platform, having nearly 65 cubic feet of cargo room (with seats folded down) and capable of towing, it definitely earned the...

Subaru Knock Monitoring and DIT DAM Strategy Changes

Subaru Knock Monitoring Knock! Knock!  Who’s there?  It could be nothing at all, but, it may be cause for concern.  Knowing the difference can give you peace of mind, or, could be an early indicator of a mechanical issue ticking away on your Subaru.  Datalogging and monitoring with the Accessport can provide useful data on these knock events.  Couple that...

Subaru Updates : Accessport Fast Flashing and COBB 20g Turbo!!

. The Subaru group has been quite busy as of recent, we’re excited to announce the release of some awesome Accessport updates as well as our new COBB 20g turbocharger for the 2008-2015 STI. Accessport Updates (AP3-SUB-004: 1.7.2.0-10065) SUB-004 Accessports received an update that significantly improves flash times on Subaru DIT ECUs.  These improvements reduce Install and...

Bucky Lasek’s “Subrina” STI Build

Bucky Lasek has been a customer of COBB Tuning for a number of years now.  A true gearhead at heart, he loves being behind the wheel and enjoys being able to blow off a bit of steam when necessary.  Being a driver for Subaru Rally Team USA, Subaru is obviously in his blood.  He recently...

2015 STI Development : Staged Power Package Evaluation

As you may know, one of our public commitments following the release of the new 2015 model year VA-series chassis code Subarus (2015+ WRX and STI) was to thoroughly explore each platform and quantify our findings whenever possible.  Because the 2015 STI retained a very similar mechanical configuration to the 2008-2014 STI (GR-series chassis code),...

COBB R&D Update : February 2015

Here’s a quick peak at what our Engineering Team is working on for February!  Big projects include Ecoboost Mustang Turboback Exhaust, 2015 WRX Intake/Airbox Combo, and a COBB Exclusive – Accessport adjustable Traction Control!

Accessport Updates: January 2015

In our quest for World Domination, we’ve pushed out two large updates for our Accessport product line.  The extremely versatile COBB Accesport now supports the 2015 Subaru WRX CVT and Porsche 996 Turbo/X50/GT2! Rounding out USDM Subaru DIT vehicle support, 2015 WRX CVT support is now LIVE for any SUB-004 Accessport!  All new orders shipped...

2015 Subaru STI Development Update – COBB SF Intake Testing

So, you’ve probably seen some pretty cool early results from hardware swaps on the 2015 STI platform.  But, have you seen any actual data besides some basic dyno charts with really high smoothing?  Probably not. Lucky for you, we’re here to provide actual quantified data behind the madness. Many people were initially disappointed that our first...

COBB Releases – January 2013

COBB is proud to announce performance and suspension part releases for January, 2013! COBB BMW 1-Series Springs – The best first step to a better handling AND looking car! Click for more pictures and details. COBB BMW 1 & 3-Series Anti-Sway Bars – This perfectly balanced kit reduces body roll, sharpens turn-in response, and reduces...

COBB 2008+ Mitsubishi Evo X Sport Springs

COBB is proud to announce the immediate availability of the 2008+ Mitsubishi Evo X Sport Springs. The COBB 08+ Evolution X Sport Spring Kit is the best first step to a better handling and better looking car. The 1-5/16” drop front and 1-3/8” drop rear lowers the car’s center of gravity to improve cornering speed...

COBB Brings Speed Density to 2.0L Turbo Subarus

COBB Tuning is proud to announce the immediate availability of our proprietary Speed Density (SD) tuning solution for all currently-supported 2.0L USDM turbocharged Subaru vehicles with manual transmissions! This capability is available as a free update to our AccessTUNER Pro and AccessTUNER Race software and AccessPORT firmware. Our implementation of Speed Density adds our proprietary...

COBB License Plate Delete Kits for Subaru

COBB Tuning is pleased to announce the immediate availability of the COBB License Plate Delete Kit for Subaru vehicles. The COBB STI and WRX License Plate Delete License Plate Delete keeps the front of your Subaru looking clean and sleek, while letting others know that you choose the highest quality performance parts in the industry....

COBB Adjustable Internal Wastegate Bracket

COBB Tuning is proud to announce the availability of an innovative new pair of Internal Wastegate (IWG) Brackets for Subaru and MAZDASPEED vehicles in short and long bracket styles. The COBB Tuning Adjustable IWG Bracket is the first of its kind, and the most versatile and reliable way to keep a turbocharger’s internal wastegate closed...

MotoIQ Completes COBB Tuning Stage 2 Testing

MotoIQ’s 2008 STI project car started with just an AccessPORT and our OTS Stage 1 mapping. Mitch at AMS also helped them eek out a bit more power, but power is addictive and the step up to Stage 2 was inevitable. Check out their blog to read how the COBB Tuning downpipe is “Certified MotoIQ...

COBB Tuning 3-Port Boost Control Solenoid

COBB Tuning is proud to announce the immediate availability of the COBB Tuning 3-Port Boost Control Solenoid (BCS) for turbocharged Subaru, Mazda and Mitsubishi applications. The COBB 3-Port Boost Solenoid is an excellent upgrade for modern turbocharged vehicles, enabling precise boost control in a tidy package that is easy to install and tune. Our BCS...

COBB AccessTUNER Supports Speed Density on 2.5L Turbocharged Subaru Vehicles

COBB Tuning is proud to announce the immediate availability of our proprietary Speed Density (SD) tuning solution for all currently-supported 2.5L USDM turbocharged Subaru vehicles! This capability is available as a free update to our AccessTUNER Pro software and AccessPORT firmware. Our implementation of Speed Density adds our proprietary tuning logic to the factory ECU,...

COBB Tuning Insider – An Interview with Chris Haag

At COBB Tuning, our engineers and calibrators work like crazy to develop the AccessPORT for new and existing applications, create and verify performance vehicle maps, improve the tuning process, and design exhausts, intakes, and front mount intercoolers. But what happens when you have a question about a feature on the AccessPORT or you just need...

COBB Tuning Double Adjustable Short-Throw Shifter for Subarus!

COBB Tuning is happy to announce the return of the COBB Tuning Double-Adjustable Short Shifter for Subaru 5-speed and 6-speed applications. These shifters are made of light-weight, high-quality aluminum and hard-anodized steel and will greatly improve shifting feel while reducing shifter throw for more precise shifting. A shorter shifter does not mean losing shifter height!...

New Parts: COBB Tuning Subaru Main Pulley in Black!

COBB Tuning is happy to announce addition of a new color of our popular, billet aluminum Lightweight Main Pulley for all EJ-series Subaru engines. Black anodized pulleys are now available in addition to Gold and COBB Blue. These pulleys are lightweight and extremely durable, made from anodized billet 6061-T6 aluminum taking unwanted, power-robbing rotational mass...

Precision Shifting for Subaru 5-Speeds and 6-Speeds with COBB Tuning Shifter Bushings

COBB Tuning is pleased to announce the return of our popular shifter bushing kits for Subaru 5-Speed and 6-Speed transmissions. COBB Tuning shifter bushing kits are direct replacements for the soft rubber OEM bushings and greatly improve shifting feel for faster, more positive shifting. The COBB Tuning shifter bushings are made from high-quality, high-durometer urethane...

Firmware Update for all Subaru AccessPORTs

COBB Tuning has released a firmware update for all Subaru AccessPORTs. Firmware version 1.6.4.0-1960 fixed a bug that caused a “no-start” issue, corrects the gear position monitor for 2010-2011 STIs and includes AccessPORT support for the 2011 Legacy GT and limited AccessPORT support for the 2011 Forester XT. This update corrects a rare “no-start” condition...

Stage1 Boost Select Maps now available for 2008-2010 STI

Boost select maps for Stage1 stock intake-equipped 2008–2010 STIs are now available for download from COBB Tuning. Our proprietary boost-select maps let users dial in their peak boost settings, allowing the driver to fine tune their car for current conditions for either maximum boost for best performance or decrease boost for better fuel economy or...

Improved and Expanded Launch Control and Flat-Foot Shift for Subaru AccessPORT

COBB Tuning is pleased to announce the availability of Launch Control and Flat-Foot Shift* for all Subaru turbocharged manual transmission equipped vehicles. Launch Control limits engine RPM to a user-set value when launching to build boost and increase launch consistency. Flat-Foot Shift allows the user to maintain wide-open-throttle during gear changes, keeping partial boost between...

Mustache March, cast your votes now!

The entries are in and it is time to vote for your favorite “Stache!” The rules are simple: The stache with the most votes wins a brand new AccessPORT! Never has annoying your significant other been so profitable! Check out the entries below and then go to our Mustach March Voting Page to cast your...

COBB Tuning seeks Subaru LC/FFS BETA Testers

COBB Tuning is seeking existing users of our AccessTUNER Race software to test a new beta version that includes support for Launch Control and Flat Foot Shift. This is a new revision of these features that covers all currently supported manual transmission turbocharged Subarus. The beta launch control and flat foot shift version of AccessTUNER...

COBB Tuning AccessPORT Firmware Updates for All Subaru Models

COBB Tuning is happy to announce the first in a series of major Subaru AccessPORT updates that are planned for roll-out over during the first quarter of 2011. This AccessPORT update includes a huge expansion and improvement in the list of data monitors available for Data Logging and Live Data viewing. AccessPORT navigation improvements have...

Firmware Update for “Hot AccessPORT” Issue

All current AccessPORT part numbers (SUB-001, SUB-002 and SUB-003, MAZ-002, MIT-002, NIS-005) can now be updated to address the “Hot AccessPORT” issue currently present on existing firmware versions. The previous firmware may not always run properly when high ambient temperatures are encountered. AccessPORTs that suddenly stall or have a constant blank or gray screen will...

Subaru Firmware update for “Hot AccessPORT” Issue

All Subaru AccessPORTs (SUB-001, SUB-002 and SUB-003) can now be updated to address the “Hot AccessPORT” issue currently present on existing firmware versions. The previous firmware may not always run properly when high ambient temperatures are involved. AccessPORTs that suddenly stall or have a constant blank or gray screen will need to update to this...

2011 Subaru STI AccessPORT! Coming SOON!!!

We have begun testing and R&D on the brand new, 2011 Subaru STI Sedan. Subaru says this is the most powerful STI ever. We’ve made it even more powerful with a COBB Tuning AccessPORT, COBB Tuning Catted downpipe and an SPT catback for a 2009 WRX Sedan! Stay tuned for updates at The COBB Tuning...

COBB Tuning XLE BPV Available Now!

The COBB Tuning XLE BPV is a compact and lightweight by-pass valve is capable of holding very high boost pressure without leaking and its unique design allows extremely fast venting of boost when actuated. It is designed to operate in multiple venting modes and can be quickly reconfigured using simple hand tools. Innovative engineering and...

Critical AccessPORT Firmware Update for 2.0 Liter Subarus

A critical firmware update has been released for 2.0 liter Subaru AccessPORT equipped vehicles. Applications: 2002-2005 WRX Updated Firmware Version: 1.6.0.1-13443 Bug Fixes: Critical Fix: Fixed communications for FTDI Dongles (5 pin). Fixed communications which was broken in the 1.6.0.0-12994 release. Critical Fix: Fixed compatibility issue with version 0 EEPROM Caused upgrade from early generation...

AccessPORT Firmware Update for Subaru AccessPORT AP-SUB-002

COBB Tuning has just released an AccessPORT firmware update for the 2004-2007 STI, 2006-2007 Subaru WRX, 2004-2006 Forester XT and 2005-2006 Legacy GT (AP-SUB-002). This update repairs a minor bugs with the AccessPORT, adds new functions and streamlines the menu screens. This update supports v2 and v2b units, meaning that both versions use the same...

COBB Tuning Surgeline Race Against Cancer kicks off in the 8’s!

The COBB Tuning Surgeline Race Against Cancer inaugural event kicked off with fast times and a healthy entry list featuring several cars posting sub-10-second times! The Super Modified Class-winner, Jeff Bush, posted a blistering 8.996-second pass at 151.38mph! The Super Modified class had intense competition with several cars posting sub-10-second passes with trap speeds in...

AccessPORT Racer Spotlight: Up Two Mountains Rally Team

This last April, the Up Two Mountains rally team, debuted a new WRX and a new team in the California Rally Championship at the Desert Storm Rally. The car is tuned with a COBB Tuning AccessPORT. The guys made a great showing at their first event and even scored some coverage on “The Smoking Tire”...

COBB/Prova AccessPORT at Tsukuba Hyper Meeting 2010

The COBB Tuning AccessPORT is world-renowned for its ease of use and its ability to extract massive amounts of Horsepower! In Japan, the AccessPORT is sold under the Prova banner and is being used in the JDM Tuning motherland much the way it is used by USDM tuners, to drastically increase the performance of enthusiast...

COBB Tuning Surgeline Monthly Meet!

COBB Tuning Surgeline is the location of choice for the Portland Area Monthly Nasioc meet, held usually, the first Saturday every month. The meet is a chance for new and old friends and car lovers alike, to get together, compare stories, kick tires and do not a little bench racing. While the predominant car is...

COBB Motorsports Wins Big in New Jersey

COBB Motorsports’ 3,000 mile trek from California to New Jersey paid off big with Brian Lock taking the the Overall Win in his Nissan GT-R Modified Class car, a historic first for the Redline Time Attack series. Cameron Benner and his Street Tire Subaru STI were strong all weekend and brought home the 2nd place...

AccessPORT ProTuner EFI Logics makes big power with the 2010 Subaru Legacy GT

While the AccessPORT for the 2010 Legacy GT is not yet available, a select group of ProTuners are making good progress with the BETA version of ProTuner software for this vehicle. The 2010 Legacy marks a complete departure from the turbo system we have known grown to love and trust on turbocharged Subarus of the...

COBB Tuning SF Airbox back in Stock

Back by popular demand! The COBB Tuning SF Intake is once again available from All COBB Tuning retails stores including COBB Tuning Surgeline, COBB Tuning Plano and COBB Tuning.com! The COBB Tuning SF Airbox was designed to capture the cool air supplied to the SF Intake through the factory intake snorkle. Constructed of 16 ga....

Turbo Heatshields for Subaru Back in Stock!

COBB Tuning is pleased to announce that SS Heatshields for select Subaru models are back in stock! The COBB Tuning stainless steel heat shield is designed in-house and a replaces the factory turbo heat shield found on most vehicles. A modification which goes hand in hand with an aftermarket downpipe install, the heat shield prevents...

COBB Tuning Announces AccessPORT Price Reduction!

COBB Tuning is excited to announce that recent improvements in AccessPORT development and production efficiency have made it possible for us to reduce the list price of the COBB Tuning AccessPORT. Effective as of February 1st, 2010, select AccessPORTs will be priced as follows: Application Part Number Old Price New Price Subaru STI 2010 AP-SUB-003...

E85 Power Post! Over 1000hp caught on camera!

COBB Tuning is committed innovation and performance and to prove it, we present two vehicles converted to run on biofuels. Not only do these two cars, a 2007 Subaru WRX STI Limited and R35 GTR, run on clean burning E85, but they both make well over 500whp! E85 is a blend of 85% ethanol (alcohol...

COBB Tuning Employee builds Hyper Wagon on E85!

At COBB Tuning we spend a lot of time working on our customer’s cars or building new parts for better performance. After working hours, we turn our considerable talents to our own cars. While snow covers most of the ground, it’s time to perform major surgery on our rides, like COBB Tuning Surgeline tuner, Lance...

COBB Tuning Seeks Subaru Beta Testers for Launch Control and Flat Foot Shift

COBB Tuning is seeking candidates to participate in a Launch Control and Flat Foot Shift beta test for all manual transmission turbo Subaru models supported by the AccessPORT. Launch Control allows the user to set the RPM the ECU will hold the engine at while the clutch is depressed and the throttle is held wide...

COBB Tuning Surgeline Helps Raise Money and Collects Toys for Toys for Tots!

Chris Dunbar’s 2006 WRX was the overall People’s Choice show winner! Chris has spared no expense nor any detail in making this show-winning WRX. His WRX features a Cosworth block and a GT4088R Turbo and is very close to final completion. COBB Tuning Surgeline attended the The pdXmas Tuner Toy drive this last weekend, an...

COBB Tuning Surgeline at the pdXmas Tuner Toy Drive

Join COBB Tuning Surgline at the PDXmas Tuner Toy Drive car meet this Sunday, December 6th. Be sure to bring a toy or a $10 donation for the toy drive as admission to the event. We will have a manned booth to answer all of your questions along with five cars on display (including two...

COBB SF Intakes and Silicone Hoses Back In Stock!

COBB SF Intakes are back in stock for all previous applications! 04-07 Subaru STISF Intake 02-07 Subaru WRXSF Intake 04-08 SubaruForester XTSF Intake 08 Mitsubishi EVOXSF Intake           03-06 MitsubishiEVO VIII & EVO IXSF Intake 07-09 MazdaMAZDASPEED3SF Intake 06-07 MazdaMAZDASPEED6SF Intake     COBB Silicone Inlets are back in stock for...

COBB XLE Blow Off Valve

COBB Tuning announces the availability of the XLE Blow Off Valve (BOV) for turbo equipped Subarus and the MAZDASPEED3. The COBB XLE BOV can be configured to operate in multiple modes using simple hand tools. Innovative engineering and precision manufacturing result in a compact package capable of holding high levels of boost consistently and reliably....

COBB Tuning AccessPORTs Sweep SCCA Solo Nationals

Tune it and they will win. With so many cars and drivers standing on the podium at the 2009 SCCA Solo Nationals that were tuned with the COBB Tuning AccessPORT, it’s not hard to understand just how powerful the AccessPORT is. Currently, the Subaru WRX and STI are the weapon of choice in the Street...

Meet WALL-E, Surgeline Tuning’s newest creation

This is WALL-E, Surgeline Tuning’s new rotated-mount turbo kit jig. This kit, which is being made in-house for shop manager, Brandon Lumpkins’ new build, is a one-off based on a set of Gruppe-S equal-length headers and a custom uppipe fabricated by lead technician, Dustin Harris. The turbo is a Garrett 35R with a .63 Tial...

COBB Knob

Black and blue never felt so good! COBB Tuning announces the immediate availability of the COBB Knob, the hottest shift knob available for Subaru STi, WRX and RS models. The COBB Knob is a fusion of the highest quality materials that, when properly mated, produce a shift knob that feels as good as it looks....

COBB AccessPORT for 2009 Subarus

2009 Subaru high performance line-up gets access to increased power COBB Tuning announces the immediate availability of the AccessPORT for 2009 Subaru Impreza STi, Impreza 2.5GT Legacy GT, and Legacy GT Spec B with the Impreza WRX and Forester XT soon to follow. The AccessPORT for the 2009 Subarus is the first hand-held device available...

COBB Post MAF Hoses for Subaru

COBB Tuning announces the availability of the COBB Post MAF Hose for the ‘02-’07 Subaru WRX and ‘04-’07 Subaru STi .  The COBB Post MAF Hose balances form AND function with its smart appearance and turbulence taming characteristics. The COBB Post MAF Hose joins the stock airbox (or optional COBB SF Intake) to the turbo...

COBB Tuning begins coilover tests

We are excited to have our first coilover set for testing installed on our MazdaSpeed3.  The front coilover consists of an inverted strut utilizing a helper spring with a 42mm diameter piston and has an external reservoir with high speed and low speed compression adjustments, as well as rebound adjustment on the bottom of the...

08 STi Sport Springs

Our Sport Springs for the new 2008 STi are now available and shipping.  These are the exact same springs used on our ’08 STi which was recently featured in Motor Trend.  They are the perfect compliment to a daily driven STi for those that want to maintain a high degree of civility and comfort while...

COBB STI – Motortrend.com

Our 2008 STI has recently been reviewed by none other than Motor Trend!  Click here to check out what they thought! Many thanks to Ed and Scott.  You guys are awesome!

SF Intake Air Box Testing

We’ve had a few requests for us to post data regarding some testing we’ve performed on our SF Intake Air Box for the Subaru WRX/STI. I think the results state pretty clearly how much an air box helps with keeping Intake Air Temps in check. Highway Driving: COBB SF Intake no box: Max 124 degrees...

Composites Department

We’re starting our own in-house composite department in order to produce our own line of composite parts. To kick things off in the right direction we sent one of our talented mechanical engineers, Billy Brooks, off to 3dyn to learn the black art of carbon fiber lay-up from the same masters that did the full...

Gillman Subaru’s “Big Event”

Recently Gillman Subaru, in Houston Texas, put on a huge Subaru enthusiast get-together. We were excited to be able to work with Gillman on their 2008 WRX. From the looks of the event, it had a great turn-out, and even Travis Pastrana was there to sign autographs. It’s really encouraging to see a dealership reaching...

STC Championship

Many of you may not know this, but we manage a racing series known as the Super Tuner Car Championship.  We started it last year as a means to promote both racing in Utah but also with bigger aspirations to provide a place where the cars we loved could compete with one another.  As it...

Need For Speed ProStreet

If you’re like me, you’re into racing and driving games. And if you’re like me, you actually remember playing the original Need for Speed on the 3D0 game console (pretty state of the art game system at the time, mind you!). Ahh the hours and hours of playing that game trying to dominate the Coastal...

Japan Trip : Part One – Prova

This week I’m in Japan to perform some AccessPORT R&D and testing in preparation for its release to the Japanese market. Having just finished up with SEMA, things have been busy to say the least. After 16+ hours of travel by plane and trains, I arrived in Yokohama on Monday night. For those that have...

SEMA 2007 – Day 1 & 2

We’ve survived the first half of SEMA. It’s been a blast so far with a LOT of traffic and excitement at our booth (#20689). Comments have been quite varied, as has the types of people stopping by. Of course our 2008 WRX has drawn quite a bit of attention with comments ranging from, “I didn’t...

Preparing for SEMA – Mazdaspeed3

An interesting bit of trivia… so far this month our SF Intake for the Mazdaspeed3 has been more popular (in sales) than the WRX, a regular top ten popular product. Yes, it’s a limited production model but obviously there is a lot of enthusiasm amongst its owners. Our Mazdaspeed3 will be at SEMA this year,...