We are a small speed-shop located in central Minnesota, specializing in engine dyno simulations and design of custom engineered components for street performance, drag race, circle-track and off-road competition.
Why Use an Engine Dyno Simulation?
Top Five Reasons:
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 custom designed per your specifications.
July 4 1988 - Founded "Don's Speed Shop and Performance Center"
June 2005 - Changed the company name to "Granite City Performance"
May 2013 - Became an authorized Steinjäger reseller
February 2015 - Became a distributor for CFR Performance