View cart “Nissan 370z EcuTek Tune” has been added to your cart. $4,399.00 McLaren P1 2013-2015 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: McLaren P1 2013-2015 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: McLaren P1 Tags: Dyno, ecu tune, mclaren, p1, stage 1, stage 2, tune Description Description +85 Horsepower +100 Torque Performance ECU Tune for the McLaren P1 2013-2015 Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 435i (2012+) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 545i (2003-2005) Stage 1 Performance ECU Tune (E60) $599.00 Select Options BMW 535i (2008-2010) Stage 1 Performance ECU Tune (N54) $999.00 Select Options BMW 128i Stage 1 Performance ECU Tune $600.00 Select Options