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Improve style and Increase Flow! Most adjustability available on the market! Mounts in OEM tow hook location (No cutting or drilling required) Simple stainless steel...
The OEM Subaru crank pulley has been a cause for concern ever since its original design. It is extremely heavy, susceptible to catastrophic failure,...
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Welcome to the next evolution of boost control, The GrimmSpeed Manual Boost Controller. Introducing the most refined Manual Boost Controller available on the market....
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Both of Grimmspeed's new turbocharger options feature state of the art proprietary compressors, turbines, CHRA's and wheel designs which maximize the power made on your EJ engine at...
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The OEM Subaru crank pulley has been a cause for concern ever since its original design. It is extremely heavy, susceptible to catastrophic failure,...
GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem...
All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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