The COBB AccessPORT has quickly become one of the most popular hand held tuning aids for modern vehicles. Being able to control fueling, ignition timing and boost allows for very large performance gains, especially on turbocharged vehicles! The AccessPORT also has a ton of cool features, such as Valet mode, DTC code disabling, live data feed, performance measurement (0-60 time, 1/4mile ET / speed etc). Anyone can install these things as well, but we're always around the corner to help support or fine tune you vehicle for you!

Gains found with the G35:

Stage 1 (Stock) Minimum 91 Octane Fuel: +3.8hp/1.5ft/lb TQ
Stage 2 (High-Flow Cats + Exhaust) Minimum 91 Octane Fuel: +7.2hp/6.8ft/lb TQ

Note: Excluding 2003-early 2004 G35 Sedans

Manufacturer Info:

POWER. FLEXIBILITY. CONTROL. The AccessPORT is the industry leading OEM ECU flashing, managing and monitoring assistant. Unlock power hidden within the ECU by replacing conservative factory settings with more aggressive calibrations. The result is impressive gains in torque and horsepower while maintaining a high degree of safety. The AccessPORT comes with pre-installed maps that are optimized for common performance modifications.

Tuning flexibility ranges from simply loading one of the included performance maps designed for common modifications, all the way to complete custom map authoring using our powerful AccessTUNER software. Extract maximum power from virtually any modification while retaining the driveability and sophistication inherent in the OEM ECU.