Jet Performance 70502 Jet Performance Module Features: Add Up To 25 Horsepower Plug-In Installation Dynamic Spectrum Tuning Of The Air/Fuel Ratio Stock Or Mildly Modified Vehicles Designed To Burn Fuel At Peak Efficiency Improved Performance And Mileage Use Of Mid-Grade Or Better Is Recommended 50 State Smog Legal Height: 6.25 Width: 2.25 Length: 4.00 Weight: 1.00 lbs Vehicle Type: Performance Module Fitment: 2010/Ford/Mustang/GT Coupe 2-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated::Shift Points/Firmness;Modified Ignition Timing; Recalibrated Air/Fuel Ratio^^2010/Ford/Mustang/GT Convertible 2-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated::Shift Points/Firmness;Modified Ignition Timing; Recalibrated Air/Fuel Ratio^^2009/Ford/Mustang/GT Coupe 2-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated::Shift Points/Firmn...