$999.00 Porsche 997 911 Carerra S 3.8L X50 Stage 1 Performance ECU Tune Want to add even more Horsepower? Upgrade to Stage 2 ECU Tune. (Catless Application) Adds an approx. 30-40 additional Horsepower! Check the box below: Upgrade to Stage 2 + $399.00 Product price Additional options total: Order total: Porsche 997 911 Carerra S 3.8L X50 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Porsche 997 Description Description +25 Horsepower +25 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products Porsche 997 911 Carerra 3.6L Stage 1 Performance ECU Tune $699.00 Select Options Porsche 997.2 911 Carerra 3.6L DFI Stage 1 Performance ECU Tune $1,099.00 Select Options Porsche 997.2 GT3 3.8L Stage 1 Performance ECU Tune $1,299.00 Select Options Porsche 997 GT3 3.6L Stage 1 Performance ECU Tune $799.00 Select Options