$1,199.00 House of Power Porsche 981 Boxster S 3.4 DFI (2012+) 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 981 Boxster S 3.4 DFI (2012+) Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Porsche 981 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 981 Cayman 2.7L (2012+) Stage 1 Performance ECU Tune $1,099.00 Select Options Porsche 981 Cayman R 3.8L (2012+) Stage 1 Performance ECU Tune $1,099.00 Select Options Porsche 981 Cayman S 3.4L (2012+) Stage 1 Performance ECU Tune $1,099.00 Select Options