Jet Performance 20805S Plug In For Power Jet Performance Module Stage2 Features: Add Up To 25 Horsepower Plug-In Installation Dynamic Spectrum Tuning Of The Air/Fuel Ratio Designed To Burn Fuel At Peak Efficiency Improved Performance And Mileage Use Of 91 Fuel 180 Degree Thermostat Works Well With Aftermarket Intake/Air Sensor Etc. 50 State Smog Legal Height: 2.50 Width: 7.50 Length: 7.50 Weight: 1.00 lbs