$4,399.00 McLaren 540C 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 $4,399.00 Additional options total: $0.00 Order total: $4,399.00 McLaren 540C 2015+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: McLaren 540C Tags: 540c, Dyno, ecu tune, mclaren, stage 1, stage 2, tune Description Description +80 Horsepower +100 Torque Performance ECU Tune for the McLaren 540C 2015+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 535i (2011-2016) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 128i Stage 1 Performance ECU Tune $600.00 Select Options BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 Select Options BMW 550i (2006-2010) Stage 1 Performance ECU Tune $1,099.00 Select Options