$899.00 Range Rover Supercharged 4.2L 2010+ 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: Range Rover Supercharged 4.2L 2010+ Stage 1 Performance ECU Tune quantity — OR — Add to cart Category: Range Rover Sport Tags: Dyno, ecu tune, hse, land rover, range rover, stage 1, stage 2, tune Description Description +35 Horsepower +30 Torque Performance ECU Tune Features Eliminate Top Speed Limiter Increased Throttle Response Optimized Fuel and Spark Optimized for 93 Octane Related products BMW 135i Stage 1+2 Performance ECU Tune (N55) $799.00 Select Options BMW 335d (2007-2008) Stage 1 Performance ECU Tune (N57) $1,099.00 Select Options BMW 335i (2007-2011) Stage 1 Performance ECU Tune (N54) $599.00 Select Options BMW 328i E90/E92 Stage 1 Performance ECU Tune (N52) $499.00 Select Options