Nissan Tuning & Aftermarket Performance Parts


The Accessport V3 is the world’s best selling, most flexible ECU upgrade solution for Nissan GT-R. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Upgrade forever with off-the-shelf (OTS) calibrations for most bolt-on modifications. It’s the last engine management solution you’ll ever need.

Throw away your gauges!! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows you to monitor up to six parameters in real time. Fully customizable from the look (multiple bezel colors), layout (set up a race, street or dyno gauge cluster) and mounting options (choose from 1,000s of standard vehicle mounts). Of course, all of the great COBB tuning is included – with enough space for 100 calibrations.

This is your new Accessport – and maybe the last one you’ll ever need.

Click Here for Map Notes & Power Gains

Click Here for Accessport Support

Click Here for Accesstuner Support

Click Here for Install Instructions

Nissan GT-R

Nissan Tuning & Aftermarket Performance Parts




Nissan GT-R Accessport V3 (AP3-NIS-005)
Nissan GT-R Accessport V3 w/TCM Flashing
Nissan GT-R Accessport V3 (Upgrade to TCM Flashing) (AP3-NIS-005-006-UPDATE)

Nissan GT-R Accessport V3 (AP3-NIS-007)
Nissan GT-R Accessport V3 w/TCM Flashing
Nissan GT-R Accessport V3 (Upgrade to TCM Flashing) (AP3-NIS-007-008-UPDATE)


Nissan Tuning & Aftermarket Performance Parts

Stage Power Packages:

Our engineers rigorously test Hard Parts to find the right order and combination for the best incremental power gains. Maps are created and tested to tune the ECU so that it supports and takes advantage of each part. With these results, COBB is able to create the Upgrade Path of Staged Packages that have all the necessary parts to upgrade your car.

The COBB Way:

With over 23 years of Research and Development, COBB Tuning has created Upgrade Paths designed to provide you with everything you will need to go from a bone stock car to a powerful, drivable, daily smile-making machine. Each path is specifically designed to maximize power of the Accessport, Hard Parts and our Off-The-Shelf maps. Learn more about The COBB Way.

COBB Dealers, Distributors and Protuners

Click here for a list of Authorized COBB Dealers, Distributors and Protuners in your area

Always be sure you are buying from a COBB Authorized Dealer to ensure you are getting real COBB products, a full product warranty, and the best customer service!