“BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55)” has been added to your cart. View 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 M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options BMW M3 E90/E92 (2008-2013) Stage 1 Performance ECU Tune (S65) $799.00 Select Options BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options