$1,499.00 Maserati Gran Turismo S 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: Maserati Gran Turismo S 4.7L 2008-2012 Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Maserati Gran Turismo / Gran Turismo S Tags: Dyno, ecu tune, gran turismo, maserati, stage 1, stage 2, tune Description Description +20 Horsepower +25 Torque Performance ECU Tune for the Maserati Gran Turismo S 4.7L 2008-2012 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 335i (2011-2013) Stage 1 Performance ECU Tune (N55) $999.00 Select Options BMW M5 E6x (2006-2011) Stage 1 Performance ECU Tune $599.00 Select Options BMW 335d (2009-2013) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options