GMC Mufflers

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

Part Number: WLK-17733

4.64 out of 5 stars ( 72 )

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

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

Part Number: WLK-21054

4.25 out of 5 stars ( 40 )

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

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

Part Number: WLK-17748

4.6 out of 5 stars ( 30 )

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

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

Part Number: WLK-17749

4.75 out of 5 stars ( 32 )

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

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

Part Number: WLK-21762

3.2 out of 5 stars ( 5 )

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

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

Part Number: WLK-17792

4.67 out of 5 stars ( 12 )

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

• Free Shipping

Muffler, Turbo, 3.00 in. Offset Inlet/3.00 in. Center Outlet, 19 in. Length, Steel, Aluminized, Each

Part Number: IMM-16833CB

5.0 out of 5 stars ( 11 )

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pontiac, Each

Part Number: WLK-21784

4.85 out of 5 stars ( 13 )

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-21533

5.0 out of 5 stars ( 7 )

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

• Free Shipping

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

Part Number: WLK-17698

4.88 out of 5 stars ( 8 )

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

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: Monday 3/23/2026 if shipped by air

Muffler, Quiet-Flow 3, 3 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22719

5.0 out of 5 stars ( 5 )

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

• Free Shipping

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 2.25 in. Offset Inlet/Outlet, 19.00 in. Overall Length, Each

Part Number: WLK-21690

4.14 out of 5 stars ( 7 )

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

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

Part Number: WLK-17673

3.57 out of 5 stars ( 7 )

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

• Free Shipping

Muffler, Quiet-Flow 3, 2 in. Inlet/1 13/16 in. Outlet, Steel, Aluminized, Chevy, Dodge, GMC, Each

Part Number: WLK-21028

3.67 out of 5 stars ( 6 )

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

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

Part Number: WLK-22673

Not Yet Reviewed

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21400

4.33 out of 5 stars ( 3 )

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

Muffler, Secondary Muffler, S-Type Sound, Chevy, GMC, 6.2L, Each

Part Number: BOR-60679

4.0 out of 5 stars ( 5 )

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

• Free Shipping

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

Part Number: WLK-22677

4.67 out of 5 stars ( 9 )

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

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 24 in. Length, Chevy, GMC, Each

Part Number: WLK-21481

Not Yet Reviewed

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

Muffler, Quiet-Flow SS, Oval, Turbo-style, Stainless Steel, Aluminized, 2.25 in. Offset Inlet/Outlet, 43.188 in. Overall Length, Each

Part Number: WLK-50072

5.0 out of 5 stars ( 5 )

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

• Oversize $12.99

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

Part Number: WLK-21169

Not Yet Reviewed

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, Dodge, Ford, GMC, Plymouth

Part Number: WLK-21151

5.0 out of 5 stars ( 3 )

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21910

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, Super Turbo, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-17758

5.0 out of 5 stars ( 5 )

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