GMC SIERRA 1500 Mufflers

Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17223

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

Muffler, FlowFX Series, 3.5 in. Inlet/3.5 in. Outlet, Stainless Steel, Natural, Oval Body, Each

Part Number: FLO-74151

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Muffler, Salute, Oval, 3.000 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2198

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

Muffler, Vortex, 3.000 in. Inlet/3.000 in. Outlet, Steel, Gray Aluminized, Each

Part Number: IMM-88105CB

3.92 out of 5 stars ( 24 )

Estimated Ship Date: Today

Muffler, Super Turbo, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17674

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, Tru-Fit Series, Steel, Aluminized, 2.75 in. Inlet/2.75 in. Outlet, Each

Part Number: WLK-18138

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Muffler, Pro, 3.000 in. Inlet/3.000 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7411CB

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Muffler, Pro, 3.000 in. Inlet/2.500 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7421CB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Cadillac, Chevy, GMC, Each

Part Number: APH-2306

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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• Special Order