GMC C1500 Mufflers
This page brings together mufflers for the GMC C1500, covering model years 1979–1999. The range includes individual mufflers and complete muffler assemblies in styles from direct-fit OE replacements to chambered and straight-through designs, built from aluminized or stainless steel. Choose your model year above and this page keeps only the mufflers that fit your GMC C1500. 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 C1500
- Exhaust mufflers — direct-fit, OE replacement, chambered, straight-through, and universal fitment styles in aluminized and stainless steel
- Exhaust muffler assemblies — complete units including dual-outlet configurations for a more straightforward installation
The widest selection here comes from Flowmaster, AP Exhaust, Walker Exhaust, and MBRP, each offering a distinct mix of construction materials and muffler designs suited to the C1500's model-year range. Other categories GMC C1500 owners shop for: GMC C1500 Springs and Suspension Parts, GMC C1500 Engine Block Parts and GMC C1500 Doors and Door Parts, or browse all GMC C1500 parts and accessories.