GMC Sierra 1500 Mufflers
This page brings together mufflers for the GMC Sierra 1500 covering model years 1999–2026, including direct-fit replacements, muffler assemblies, and universal styles in materials ranging from aluminized to stainless steel. Select your year above and we'll show only the mufflers that fit your GMC Sierra 1500. Fitment is checked against our vehicle data for every part listed.
AP Exhaust 7017 Direct-Fit OE Replacement Exhaust Muffler Assembly
MagnaFlow 14221 Oval Straight-Through Performance Exhaust Muffler 3in. Center / 2.5in. Dual 5x8x14in.
SPEEDFX 50102M2 Chambered Performance Muffler 3.5in Inlet 2.5in Dual Outlet
AP Exhaust 2231 Challenge Series Aluminized Steel Direct-Fit Muffler
What's here for your GMC Sierra 1500
- Exhaust mufflers — direct-fit, chambered, performance, and OE replacement designs in aluminized and stainless steel
- Exhaust muffler assemblies — pre-assembled units including resonators and connecting components, available as kits or individual pieces
- Universal mufflers — adaptable options in single and dual configurations to suit custom exhaust builds
The widest selection here comes from AP Exhaust, Flowmaster, Walker Exhaust, and Magnaflow, spanning everything from straightforward OE-style replacements to performance-oriented and stainless steel options. Other categories GMC Sierra 1500 owners shop for: GMC Sierra 1500 Shocks and Struts, GMC Sierra 1500 Springs and Suspension Parts and GMC Sierra 1500 Exterior Lights, or browse all GMC Sierra 1500 parts and accessories.