BUICK Mufflers & Resonators

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Today

Muffler, 40 Series, 2 1/2 in. Offset Inlet, 2 1/2 in. Offset Outlet, Chambered, Steel, Black, Each

Part Number: FLO-42543

4.9 out of 5 stars ( 42 )

Estimated Ship Date: Today

Muffler, FlowFX Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71236

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Today

Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Today

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Aluminized Steel, Black, Each

Part Number: FLO-42443

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

Muffler, Super 10 Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842518

4.82 out of 5 stars ( 33 )

Estimated Ship Date: Today

Muffler, FlowFX Series, 2.25 in. Inlet/2.25 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71235

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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

Part Number: WLK-22393

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18230

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Today

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

Part Number: WLK-22395

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler - Quiet-FlowSS - Domestic - TK

Part Number: WLK-21683

Not Yet Reviewed

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2 in. Inlet/2 in. Outlet, Steel, Aluminized, Ford, Lincoln, Mercury, GM, Each

Part Number: WLK-22105

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Muffler, SoundFX Series, Steel, Aluminized, 2.00 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-17870

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Muffler, Tru-Fit Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlets, Each

Part Number: WLK-18104

Not Yet Reviewed

Estimated Ship Date: Today

Mufflers, MSL Maximum, Round Case, Steel, Aluminized, 28.500 in. Overall Length, Front Muffler, Buick, Chevy, Pontiac, V6, Each

Part Number: APH-700293

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Muffler, SoundFX, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Cadillac, Each

Part Number: WLK-18387

Not Yet Reviewed

Estimated Ship Date: Today

Exhaust Resonator, Steel, Aluminized, Buick, Chevy, Pontiac, Each

Part Number: WLK-21398

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: WLK-18915

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, 5.7L, Each

Part Number: APH-2090

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Mufflers, Challenge, Steel, Aluminized, Baffled, Round Case, Buick, Chevrolet, Chrysler, Oldsmobile, Pontiac, Each

Part Number: APH-2991

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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

Part Number: APH-2261

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: APH-2243

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Walker Resonator Assembly

Part Number: WLK-54649

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Resonator, Steel, Aluminized, Buick, Each

Part Number: WLK-22144

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 33.25 in. Overall Length, Buick, Pontiac, Each

Part Number: WLK-18945

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today