This Paxton Non-Intercooled supercharger system with a NOVI 1200 head unit setup for the 2005-2006 Ford Mustang GT 5.0L will get you 420 horsepower and 385 ft/lb of torque on just 8 psi of boost! This system is 100% complete, including high flow fuel injectors, in-tank fuel pump and Diablosport In-Tune handheld programmer. 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.