EQT Custom ECU Tune - Porsche Cayenne GTS 4.0TT (9Y0) Water Methanol Injection An almost 45° temperature drop

An almost 45° temperature drop over stock

fuel quality

and safe reliable power gains day in and day out

Stage 2 E30 compared to stock and Stage 1 E30

EQT Custom ECU Tune - Porsche Cayenne GTS 4.0TT (9Y0) Water Methanol Injection An almost 45° temperature dropUsing Cobb's ProTuner software, we have been developing and refining our own set of custom tunes for your Porsche to be used with the Cobb AccessPort. Hours of in house dyno testing, drivability road testing, and track torture testing went into the development of our calibrations. So you can be sure your car will perform optimally while retaining excellent drivability characteristics and a healthy margin of safety built into every tune. About Custom E