View cart “BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57)” has been added to your cart. $2,299.00 Mercedes G550 4.7L 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 G550 4.7L Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: G550 Tags: benz, Dyno, ecu tune, g550, mercedes, stage 1, stage 2, tune Description Description +130 Horsepower +160 Torque Performance ECU Tune for the Mercedes G550 4.7L Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW M3 F80/F82 (2015-2016) Stage 1 Performance ECU Tune $1,099.00 Select Options