View cart “BMW 335d (2009-2013) Stage 1 Performance ECU Tune (N57)” has been added to your 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 128i Stage 1 Performance ECU Tune $600.00 Select Options BMW 535d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 535d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 550i (2012-2016) Stage 1 Performance ECU Tune (N63) $2,499.00 Select Options