IE Performance ECU Tuning For Porsche Cayenne Turbo / GTS 4.0T V8 GT500 This provides more horsepower and

This provides more horsepower and torque than running conventional gasoline and is much less expensive than race gas

Required for TrueFlex only

Lightweight construction to minimize heat soak

Your iE TCU tune enhances shift speeds

Even though tuning now matches higher flow characteristics of the intake manifold

IE Performance ECU Tuning For Porsche Cayenne Turbo / GTS 4.0T V8 GT500 This provides more horsepower 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