COBB Accessport with PDK Flash for Porsche GT3 & GT3 RS
Fits
- Porsche 991.1 GT3 (2013–2016)
- Porsche 991.1 GT3 RS (2015–2017)
- Porsche 991.2 GT3 (2017–2019)
- Porsche 991.2 GT3 RS (2018–2019)
The in-cabin mountable Accessport V3 features a large, full-color, high-resolution screen capable of monitoring up to six parameters in real time. Customize gauge layouts for race, street, or dyno use, select from multiple bezel options, and choose from a wide range of mounting solutions. With storage for up to 100 calibrations, the Accessport V3 is likely the last tuning device you’ll ever need.
Warning: Installing the Accessport over any software other than OEM or COBB may result in ECU or TCU failure.
Key Benefits
- Sharper throttle response and optimized power delivery
- Enhanced PDK shift mapping for faster, more intuitive gear changes
- Improved drivability during both street and track conditions
- Customizable gauge layouts and real-time data monitoring
- Supports future bolt-on upgrades with OTS map updates
- Easy installation and ability to revert to the stock tune anytime
- 50-state-legal performance backed by CARB EO certification
Why Choose COBB?
The COBB Accessport V3 is the world’s best-selling and most versatile ECU upgrade solution for Porsche. By replacing conservative factory ECU and PDK mapping with optimized performance calibrations, the Accessport unlocks sharper throttle response, improved drivability, and noticeable gains in power. COBB also provides off-the-shelf (OTS) maps for most common bolt-on modifications, allowing you to upgrade confidently and progressively.
The Porsche PDK dual-clutch transmission is exceptional from the factory, but COBB’s PDK tuning takes it even further. The Accessport enables enhanced shift scheduling under heavy throttle while maintaining factory-smooth behavior during normal driving. This dual-calibration approach optimizes both engine and transmission performance for an unmatched driving experience.
Features
- Large full-color high-resolution screen
- Customizable multi-gauge display
- In-vehicle mount with on/off switch
- User-customizable startup screen
- Interchangeable faceplates
50-State Legal
This part is legal for sale and use on emissions-controlled vehicles in all 50 states when used as specified. CARB Executive Order EO Number: D-660-58.

Competition Motorsport | sales@competitionmotorsport.com | (844) 438-7244