This ProCharger System is supplied with proven tuning calibrations and a handheld programmer set for a 45-50% HP (@ 8 psi) power gain over stock, running pump gas for Stock engine - Stock exhaust or Cat-back exhaust vehicles only. Featuring the most advanced and durable supercharger, with the industry's coolest charge air temperatures, much higher power levels are possible with higher boost and custom tuning. Installation of this system is the easiest of any GM Truck supercharger system to date-a customer can install this system in his/her garage with common hand tools in a day. 100% reversible, with no trimming or cutting to any factory OEM plastics or hardware.

Features:

• 45-50% gain with P-1SC-1 complete system on 8 psi, factory fuel injectors and quality pump gas
• 6-rib shared drive, Belts and pulleys can be changed without removing supercharger
• 100% reversible, no permanent modifications necessary
• Self contained oiling head unit, with CBC billet gear case and impeller
• Complete Systems includes handheld programmer with programming supplied

Emissions: CARB (California Air Resources Board) D-365-10 is legal to sell in California and any US state adopting CA restrictions. This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.