GMC K2500 Mufflers
This page brings together mufflers for the GMC K2500 spanning model years 1979–2000, with options ranging from direct-fit OE replacements to aluminized and stainless steel designs in both universal and vehicle-specific configurations. Select your year above and we'll show only the mufflers that fit your GMC K2500. Fitment is checked against our vehicle data for every part listed.
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
Flowmaster 852546 Super 40 Series Chambered Muffler - Aggressive Sound
MagnaFlow 14221 Oval Straight-Through Performance Exhaust Muffler 3in. Center / 2.5in. Dual 5x8x14in.
What's here for your GMC K2500
- Exhaust mufflers — including chambered, straight-through, and aluminized steel constructions in direct-fit and universal applications
- Exhaust muffler assemblies — pre-assembled units designed for straightforward installation, available in OE replacement and performance-oriented configurations
- Stainless steel options for added resistance to corrosion over time
- Dual-outlet styles alongside single-exit designs to suit different exhaust routing layouts
The widest selection of GMC K2500 mufflers here comes from Flowmaster, AP Exhaust, Walker Exhaust, and MBRP, covering a broad range of construction materials, internal designs, and fitment styles across the 1979–2000 model span. Other categories GMC K2500 owners shop for: GMC K2500 Exhaust and Tail Pipes, GMC K2500 Exterior Lights and GMC K2500 Steering Gear and Parts, or browse all GMC K2500 parts and accessories.