Jet Performance Plug In For Power Jet Performance Module Stage1 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: Jet Performance Fitment: 2008/Dodge/Durango/SXT Sport Utility 4-Door/4.7L 285Cu. In. V8 GAS SOHC Naturally Aspirated::Improve HP/Torque/Throttle Response;Air/Fuel Ratio;Ignition Advance^^2008/Dodge/Durango/SXT Sport Utility 4-Door/4.7L 285Cu. In. V8 FLEX SOHC Naturally Aspirated::Improve HP/Torque/Throttle Response;Air/Fuel Ratio;Ignition Advance^^2008/Dodge/Durango/SLT Sport Utility 4-Door/4.7L 285Cu. In. V8 GAS SOHC Naturally Aspirated::Improve HP/T...