GMC SIERRA 2500 HD Mufflers

Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-21172

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlets/3.50 in. Outlets, 28.25 in. Overall Length, Each

Part Number: APH-700488

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17225

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-3894

Not Yet Reviewed

Estimated Ship Date: Today

SoundFX Mofle de escape

Part Number: WLK-27263

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order