Welcome to Granite City Performance

Our primary objective is to offer the finest, proven performance parts to enhance your vehicle to perform above and beyond OEM specifications. We have tools and technical resources available to create a personalized performance package from component to complete; and ultimately, turn-key solutions.

Engine Dyno Simulations

A dyno simulation from Granite City Performance can be a great tool in the development of your next engine. The latest performance parts available can be tested before spending any money or turning a wrench. Engine dyno results have been within 10% of physical dyno tests, the computer can accurately predict how the parts combination will affect your engine before it's built.

Performance Video

Recent Forum Posts

admin Total Posts: 5 Joined: Oct 2010	Website Re-Design / Happy New Year The Content Management System (CMS) concrete5, that powers the Granite City Performance website has released a major upgrade to version 5.5. With this new release and the "free-… Posted on Dec 29, 2011 at 9:41 PM
dhoeschen Total Posts: 15 Joined: Oct 2010	New MSD Logo and New Product Line Coming Soon MSD Ignition Products, the company so many of you turn to for you ignition system needs, has just redone their logo, but that’s not all. In addition to their ignition components, M… Posted on Oct 24, 2011 at 8:58 PM
admin Total Posts: 5 Joined: Oct 2010	Solved This problem has been solved and is no longer an issue. Posted on Sep 01, 2011 at 11:35 PM