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about us
RESEARCH & DEVELOPMENT
At GPI we are hard at work pushing the limits of the LTx and LSx powertrains, and are laser focused on R&D which allows us to create the products our customers love!
TOP QUALITY
We are solely focused on selling only the highest quality products available.Here you will find our hand selected assortment of product that we recommend based on our many years of experience.
FAST FREE SHIPPING
Fast and free Shipping on all orders over $500. Always FREE In-Store Pickup!
Recent Customer reviews
I have driven a few cars tuned by Rhino in the last couple years. Very impressed! can’t wait to utilize GPI services soon!
Great customer service. Very knowledgeable great parts. Thanks Aaron!
Hands down best customer service and expertise on GM vehicles. LT headers, y-pipe, and tune on my ’17 Silverado. Couldn’t be happier! Will definitely be back for cam upgrade and more goodies! Thanks guys, keep up the awesome work!