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GMC K15/K1500 Pickup Mufflers

This page brings together mufflers for the GMC K15/K1500 Pickup covering model years 1966–1974, including direct-fit OE replacement and aluminized steel options. Choose your model year above and this page keeps only the mufflers that fit your GMC K15/K1500 Pickup. Each listing is matched to our vehicle fitment data before it appears here.

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Picture of Flowmaster Super 40 Series Chambered Muffler

Flowmaster Super 40 Series Chambered Muffler

48 reviews
Vehicle Specific
from $137
In Stock (10+)
Picture for manufacturer Flowmaster
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What's here for your GMC K15/K1500 Pickup

  • Exhaust mufflers — direct-fit and OE replacement units in aluminized steel construction, including resonator-style designs

The widest selection of mufflers here for the GMC K15/K1500 Pickup comes from Walker Exhaust, Bosal, Ansa, and Flowmaster. Other categories GMC K15/K1500 Pickup owners shop for: GMC K15/K1500 Pickup Wheels, GMC K15/K1500 Pickup Tailgates and Parts and GMC K15/K1500 Pickup Springs and Suspension Parts, or browse all GMC K15/K1500 Pickup parts and accessories.