About us

imagine - design - prototype - validate - refine

Our Team

Blake Hoeschen
Master Fabricator
"...when I can feel the sound of a big cam thumpin' in my chest, all I can do is smile...because racecar!" "...because it ain't nascar"
Don Hoeschen
"...the smell of racing fuel, burning tires and the ground pounding thump of a high-compression V8...what could be better than that?"

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.

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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.

Company Timeline

  • 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 re-seller

  • February 2015 – Became a distributor for CFR Performance

Have Fun But Don’t Get Hurt…

Racing is a dangerous sport, therefore Granite City Performance (GCP) cannot and will not be held liable for any loss of any type. Likewise, there is no warranty, expressed or implied by Granite City Performance (GCP) on any products sold. Consult the warranty of the manufacturer of the product, if any, if it still applies. By purchasing products or accepting services from Granite City Performance (GCP) you agree with this disclaimer and release Granite City Performance (GCP) from any and all liability.

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles.