The Edelbrock supercharger stages 1 & 2 installed power packages make the horsepower they claim and are 50 STATE LEGAL! The core of this system is the Eaton Gen VI 2300 TVS rotating assembly with a four-lobe design with 160 degrees of twist for maximum flow, minimum temperature rise and quiet operation for excellent drivability. The supplied tune is intended for completely stock vehicles with the exception of a cat-back exhaust. No hidden fees, the price you see is the price you pay assuming vehicle condition is adequate. Have any questions? Feel free to give us a call at (262) 692-9035 or email us at firstname.lastname@example.org. Want to install this supercharger by yourself? Take a look at our complete supercharger kit below!