$2,499.00 Mercedes AMG GT 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: Mercedes AMG GT 2015+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: AMG GT Tags: amg, benz, Dyno, ecu tune, gt, gtc, gtr, gts, m157, m178, mercedes, stage 1, stage 2, tune Description Description +190 Horsepower +240 Torque Mercedes AMG GT 2015+ Stage 1 Performance ECU Tune Features: Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products 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 BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options