Porsche 911 GT3 (991.2) ECU Tune — Power Figures

Factory output for the Porsche 911 GT3 (991.2) is 500 hp and 339 lb-ft (crank).Stock + RK-Tunes Tune raises it to 529 hp and 372 lb-ft, a gain of 29 hp and 33 lb-ft.High Flow Downpipe / Exhaust + RK-Tunes Tune raises it to 544 hp and 387 lb-ft, a gain of 44 hp and 48 lb-ft.This tune is fulfilled by mail-in: you remove the ECU, ship it to us, and we flash it on the bench and return it.Figures are estimates at the crank; real-world results vary by vehicle condition, fuel and conditions.