Porsche E3 Cayenne S 2.9L Turbo XperTune Performance Software Brakes Often times headers are the

Often times headers are the best way to unlock "Clean and Green Performance" emissions legal power on a naturally aspirated engine

Optional 02 Spacers available to minimize triggering the C

along with shielding for the secondary catalyst bypass

6L / Carrera S 3

but not as loud as Muffler Bypass System)

Porsche E3 Cayenne S 2.9L Turbo XperTune Performance Software Brakes Often times headers are thePerformance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure (if applicable). FEATURES: Fits Porsche E3 Cayenne S 2. 9L Twin Turbo Models (2019 June 2020) (Does NOT Fit Hybird Models) While a vehicle equipped with bolt on upgrades will experience maximum gains as a result of the increased efficiency of the engine, great power gains can be made on a