Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software Race Technologies FEATURES: Fits all Porsche 997

FEATURES:  Fits all Porsche 997 Turbo vehicles (2006-2009) Increases horsepower and torque by 26 whp and 31 ft-lbs Saves weight from the rear of the vehicle Includes 200-cell HJS Sport Catalytic Converters Optimized for maximum performance with NO check engine light

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle

while its wide diameter ensures secure handling and precision steering

Our Sport Cats utilize German HJS 200 cell HD high-flow trimetallic catalytic converters for maximum exhaust gas flow and performance with zero check engine light worries

Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software Race Technologies FEATURES: Fits all Porsche 997Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the AMG GT's M178 4. 0L V8 Bi Turbo Engine by reprogramming various sensor inputs, air fuel ratios, and boost pressure. NOTE: This is not a physical shipped product. This upgrade requires you to send us your ECU for re programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. Special requests