COBB Tuning - Products
Subaru NexGen Stage 2 + Flex Fuel Power Package STI 2015-2018
California Residents: Prop 65 Warning
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending. Once testing is complete with California, and an EO number is issued, this product will be updated to 50-state legal status.
Due to order volume, please allow 1-2 days for order processing.The Subaru NexGen Stage 2+ Flex Fuel Power Package for STI Includes: Subaru Accessport V3 (AP3-SUB-004), SF Intake & Airbox, Silicone Turbo Inlet V2, Throttle Body Coupler, Spark Plugs, Top Feed 1050x Fuel Injectors, High Flow Fuel Pump, Fuel Pressure Regulator for Fuel Rail Kit, Fuel Rail Line Kit, Fuel Rails, NexGen Flex Fuel Ethanol Sensor Kit, Fuel Pressure Sensor Kit & the COBB Vehicle Badge.
NexGen Power Packages re-establish the modification and upgrade paths for supported vehicles that have been impacted by the removal of Downpipes. These packages provide similar performance and excitement, while maintaining legal emissions standards.
Interactive dyno chart: hover or tap lines for HP and TQ percentages. Click here for MAP NOTES.
The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow our staged upgrade path with pre-loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. It's the last engine management solution you'll ever need.
- Subaru Accessport V3
- NexGen Flex Fuel
Simple Installation: Everything is included for the simple installation! Intuitive on-screen instructions identify your exact vehicle and available maps.
Simple Uninstall: Revert your ECU to exactly as it was before with the easy to use Uninstall option from the main menu.
Trouble Codes: Read engine trouble codes to diagnose issues. Clear them when resolved. Prevent expensive trips to the dealership.
Change Maps: Store up to 100 maps from our OTS map database or from your favorite COBB tuner and quickly switch between them for any need.
Gauges: Use your Accessport as a gauge to monitor boost or any other live information, directly from the ECU.
Data Logging: Record multiple data channels simultaneously for in-depth evaluation of engine performance. Stores up to 10 hours.
Performance Measuring: Welcome to your own performance evaluation suite! Measure 0-60 mph time, 60 foot and ¼ mile ET’s. and Trap Speed.
Shift Light: Set custom RPM warning lights for perfect shifts every time.
Auto On/Off Detection: This feature, when enabled, allows the Accessport to power on when the vehicle is detected to be running and shut down once the engine has been turned off.
Accessport Manager: Use your PC or Mac to manage maps, download recorded datalogs, or quickly update your Accessport. Download free from right HERE.
Subaru Specific Features:
Changes can be made to the map in realtime, while the engine is running. Greatly speeds up the tuning process and allows quick changes to powerful features like Launch Control, Flat Foot Shift, and map switching.
** Coming soon for DIT Subaru Forester XT models!
Adjust engine idle on the fly to compensate for aftermarket accessories such as light weight flywheels and upgraded cams. Separate Accessport menus allow for idle speeds to be adjusted for A/C ON and A/C OFF conditions.
Adjust Timing (STI Only)
Globally reduce timing on the fly to compensate for bad pump fuel.
Flat Foot Shifting
Keep the throttle on the floor during shifts and maintain boost between gears with this customizable RPM setting.
** Not available for WRX CVT.
Set RPM threshold for performance launching the car from a stop. Builds boost and generates instantaneous horsepower off the line.
** Not available for WRX CVT.
Launch Mode (Forester XT & WRX CVT Only)
Allows the manipulation of factory torque limiters to build boost and generate instantaneous horsepower when launching*. Includes driver-controlled activation.
* Requires Accesstuner software to dial-in Launch Mode feature.