CHEVROLET Chevy small block Gen III/IV (LS-based engines) Mufflers

Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each

Part Number: SUM-638011

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Today

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 5.3L, Each

Part Number: APH-2549

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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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

• $20.00 Summit Bucks

Muffler, Quiet-Flow 3, 2 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Chevy, Passenger Side, Each

Part Number: WLK-21570

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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• $20.00 Summit Bucks
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Muffler, Quiet-Flow 3, 2.0 in. Inlet/2.25 in. Outlet, Stainless Steel, Chevy, 3.9, 5.3L, Each

Part Number: WLK-21571

3.67 out of 5 stars ( 3 )

• $20.00 Summit Bucks
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Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, Pontiac, Each

Part Number: WLK-21417

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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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 2, 2025 if ordered today

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

Part Number: APH-2046

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, Pontiac, V6, Each

Part Number: APH-2577

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 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: Dec 1, 2025 if ordered today

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