Welcome to Classic Industries®  v6.1

America's First Choice In Restoration
and Performance Parts and Accessories
Up To 35% OFF!* Online Orders Over $399

GMC and Chevy GM Truck Parts - Performance Mufflers

Classic Industries offers a selection of Performance Mufflers for your GM Truck . Classic Industries offers GM Truck Magnaflow Mufflers, GM Truck Flowmaster Mufflers, GM Truck Dynomax Mufflers, GM Truck Flowtech Mufflers, GM Truck Glasspack Mufflers, GM Truck Pypes Stainless Mufflers, and GM Truck Dr. Gas Mufflers.

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