View cart “BMW 535i (2011-2016) Stage 1 Performance ECU Tune (N55)” has been added to your cart. $1,499.00 Maserati Coupe 4.2L 2002+ 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: Maserati Coupe 4.2L 2002+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Maserati Coupe / Coupe GT Tags: coupe, Dyno, ecu tune, gran turismo, maserati, stage 1, stage 2, tune Description Description +30 Horsepower +25 Torque Performance ECU Tune for the Maserati Coupe 4.2L 2002+ Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW 550i (2006-2010) Stage 1 Performance ECU Tune $1,099.00 Select Options BMW M5 F10/F13 (2012-2016) Stage 1 Performance ECU Tune $2,499.00 Select Options BMW 128i Stage 1 Performance ECU Tune $600.00 Select Options