GMC Mufflers

Showing In Stock Items. Show All 6 Items.

Individual Parts

Part Groups

Results 1 - 4 of 4

Walker Heavy-Duty Steel 4 Inch Muffler 22004

Muffler, Heavy-Duty, Oval, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 34.00 in. Overall Length, Each

Part Number: WLK-22004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Walker Heavy Duty Muffler

Part Number: WLK-22449

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026

...Loading

Muffler, School Bus, Round, Stainless Steel, Natural, 39.00 in. Overall Length, Each

Part Number: WLK-22566

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026

...Loading

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Chevy, GMC, Each

Part Number: WLK-21759

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air