$1,199.00 Porsche Panamera 4S 4.8L V8 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 Panamera 4S 4.8L V8 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Porsche Panamara Description Description +35 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 Panamera Turbo 4.8L V8 Stage 1 Performance ECU Tune $1,999.00 Select Options