Discount Programs

Start getting the most out of every GPI purchase you make. As a myGPI member, you can cash in on exclusive benefits that make shopping with us even more rewarding.

Gwatney Performance offers a Military Discount on most products to extend our gratitude to those who have served or are serving our country in the US armed forces.

We are always looking to partner with reputable business looking to carry and support our brand.  Please check the dealer application page for more details and requirements.

Recent Reviews

Bob Pitts
Bob Pitts
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The folks at GPI are both professional and very knowledgeable. I was treated fairly. All my questions were answered to my satisfaction. They will treat your baby as if it was their own. I was briefed every step of the way. It is apparent the fine men there are dedicated to satisfying the customer.
Alex Matthews
Alex Matthews
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GPI FTW simple as that. The customer service is the best. You can't go wrong with buying from these guys.
Nick Hayman
Nick Hayman
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These guys tuned my 2016 Sierra and after having it for about two days now, I absolutely love how it changed this truck. Better fuel economy, none of that sluggish GM shift points. 10/10 in my books and A+ customer service, I would trust these guys with any performance work that you need.
Aaron Lucky
Aaron Lucky
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Bought their ported/rod modded intake manifold for my 2010 Camaro SS L99 and holy crap, it's amazing! The porting looked well done and I am very impressed!
Sean Lewis
Sean Lewis
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Great customer service. Been bothering Dan for 3 days asking many questions, some over and over again, and he answered all of them like an expert. Bought 3.91 gears from them yesterday and will be going back shortly for a cam. Appreciate it fellas!
Trey Petersen
Trey Petersen
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Great people and great service.
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