$1,499.00 Maserati Coupe GT 4.2L 2003+ 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 GT 4.2L 2003+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Maserati Coupe / Coupe GT Tags: coupe, coupe gt, Dyno, ecu tune, gt, maserati, stage 1, stage 2, tune Description Description +30 Horsepower +25 Torque Performance ECU Tune for the Maserati Coupe GT 4.2L 2003+ 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 Nissan 370z EcuTek Tune $1,000.00 Select Options BMW 235i (2012+) Stage 1 Performance ECU Tune (N55) $949.00 Select Options BMW 435i (2012+) Stage 1 Performance ECU Tune (N55) $999.00 Select Options