GMC SIERRA 1500 Mufflers

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

Part Number: WLK-17223

4.63 out of 5 stars ( 16 )

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

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-18823

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2.625 in. Inlet/Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21423

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: IMM-88110CB

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Dec 16, 2025 if ordered today

• Special Order

Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlet/2.75 in. Outlet, 29.00 in. Overall Length, Each

Part Number: APH-700489

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Turbo, 3.00 in. Center Inlet/Two 2.25 in. Outlets, 21 in. Length, Steel, Aluminized, Each

Part Number: IMM-16835CB

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Special Order

Muffler, Vortex, 3.000 in. Inlet/2.500 in. Dual Outlet, Steel, Gray Aluminized, Each

Part Number: IMM-88109CB

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Dec 16, 2025 if ordered today

• Special Order

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: Dec 30, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Quiet-Flow 3, 2 3/4 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-21356

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

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: Dec 23, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: APH-2306

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: APH-2205

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 3.00 in. Offset Inlet, 2.75 in. Offset Outlet, 29.000 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-21577

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order

Mufflers, Direct-Fit, 2.75 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-101-1179

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order

Quiet-Flow SS Exhaust Muffler

Part Number: WLK-21251

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Drop Ship
• Special Order

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: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order