$2,799.00 House of Power Stage 2 Mercedes G63 AMG 2012+ ECU Tuning 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: Mercedes G63 AMG 2012+ Stage 2 Performance ECU Tune (M157) quantity — OR — Add to cart Category: G63 Tags: benz, Dyno, ecu tune, g63, m157, mercedes, stage 1, stage 2, tune Description Description +190 Horsepower +250 Torque Performance ECU Tune for the Mercedes G63 AMG M157 Engine (2012+) Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW M3 F80/F82 (2015-2016) Stage 1 Performance ECU Tune $1,099.00 Select Options BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options