IE Performance ECU Tuning For Porsche Cayenne Turbo / GTS 4.0T V8 MK4-Jetta fully realizing the engine and

fully realizing the engine and stock turbocharger potential

IE's Throttle Body Upgrade kit removes the final power restriction from the factory equipped supercharger

or let off the throttle for gear changes

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Check and clear emissions monitors

IE Performance ECU Tuning For Porsche Cayenne Turbo / GTS 4.0T V8 MK4-Jetta fully realizing the engine andIE's 4. 0TT ECU tune for the Porsche Cayenne Turbo and GTS V8 is a total transformation delivering supercar performance with 692 857HP and 795 893ft lbs of torque depending on octane. With our cutting edge modern motorsport tuning approach, your twin turbocharged engine's potential is fully realized while maintaining total comfort and reliability. Release the hidden power and heighten your driving experience with a simple install that takes only