Porsche 997 GT3 / GT3 RS COBB Tuning Accessport V3



The Accessport V3 is the world's best selling, most flexible ECU upgrade solution for Porsche. 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. 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. 


Simple Installation / Uninstall:  Everything is included for the simple installation!  Intuitive on-screen instructions identify your exact vehicle and available maps. 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.

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.

AP Manager:  Use your PC or Mac to manage maps, download recorded datalogs, or quickly update your Accessport.

Sport Mode: The timer for the sport button has also been raised to 30 seconds so that you can enjoy the overboost feature for longer.


Stage 2
o Exhaust Requirements: Full Aftermarket Exhaust. Aftermarket headers can be used.
o Intake Requirements: Stock air box with stock air filter
91 Octane:  Peak: +3 HP, +1% TQ  -  Max: +3% HP, +4% TQ 

93 Octane:  Peak: +4% HP, +1% TQ  -  Max: +7% HP, +6% TQ
100 Octane:  Peak: +6% HP, +3% TQ  -  Max: +8% HP, +7% TQ
Stage 0
o Stock calibration. Factory map that the car was delivered from Porsche with. Does not uninstall Accessport
Valet Mode
o Rev limiter set to 4000 RPM.
Note - Please contact us if you are outside of the United States to verify compatability with your country's ECU version before ordering.