GMC K1500 Mufflers
This page brings together mufflers for the GMC K1500 spanning model years 1979–1999, covering standalone muffler units as well as complete muffler assemblies in a range of constructions and configurations. Choose your model year above and this page keeps only the mufflers that fit your GMC K1500. Each listing is matched to our vehicle fitment data before it appears here.
Magnaflow 13288 Multi-Chamber Performance Muffler 3in Center/Dual 2.5in Outlet
Magnaflow 13266 XL Multi-Chamber Performance Muffler 2.5in Offset/Offset 4x9x18 Oval Stainless
MagnaFlow 14221 Oval Straight-Through Performance Exhaust Muffler 3in. Center / 2.5in. Dual 5x8x14in.
What's here for your GMC K1500
- Exhaust mufflers — including chambered, straight-through, and aluminized or stainless steel construction options in direct-fit and universal configurations
- Exhaust muffler assemblies — complete bolt-on units designed for OE replacement, available in single and dual configurations
The widest selection here comes from Flowmaster, AP Exhaust, Walker Exhaust, and MBRP, spanning everything from budget-friendly aluminized OE replacements to stainless steel performance-oriented designs. Other categories GMC K1500 owners shop for: GMC K1500 Steering Gear and Parts, GMC K1500 Springs and Suspension Parts and GMC K1500 Exterior Lights, or browse all GMC K1500 parts and accessories.