Grand Rock will be closed Monday July 4th in observation of Independence Day. 

OE Aftermarket

Replacing your old OE truck exhaust pipe can be expensive! Search Grand Rock’s extensive inventory of heavy duty truck replacement parts and find the part you need for any major brand OE system. Visit our website and click the PRODUCTS tab, and select HEAVY/MEDIUM DUTY EXHAUST SYSTEMS, to select your specific truck or download the complete catalog to view our product line. From turbo to stack we have an aftermarket exhaust solution!

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