“BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune” has been added to your cart. View cart $1,599.00 Mercedes SL65 2007+ 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 SL65 2007+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: SL65 Tags: benz, Dyno, ecu tune, mercedes, sl65, stage 1, tune Description Description +85 Horsepower +140 Torque Performance ECU Tune for the Mercedes SL65 2007+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 428i Stage 1 Performance ECU Tune (N20) $999.00 Select Options BMW 535d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW M3 E90/E92 (2008-2013) Stage 1 Performance ECU Tune (S65) $799.00 Select Options Nissan 370z EcuTek Tune $1,000.00 Select Options