This Vortech Air-to-Water Intercooled supercharger system with a V3 Si head unit setup for the 2008 Ford Mustang Bullitt V-Power 4.6 3V will get you 492 horsepower and 432 LB/FT of torque on 11 psi of boost! This system is 100% complete, including high flow fuel injectors, 98mm MAF meter housing, diablosport In-Tune programmer and custom Vortech tune calibration for 91 octane. The tuning is for stock vehicles or those with a catback only, just bolt on and drive! The standard kit is satin finish. If you have other modifications such as headers, midpipe, camshaft, etc. then look at the Tuner kits.