2003 CADILLAC Mufflers

Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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

Part Number: WLK-17233

4.7 out of 5 stars ( 10 )

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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: Tomorrow

Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: WLK-21431

4.0 out of 5 stars ( 1 )

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 28.000 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: WLK-18957

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 2.50 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: BRE-100-7179

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-53402

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-53400

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 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: Apr 29, 2026 if ordered today

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Mufflers-SoundFX

Part Number: WLK-18987

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Estimated Ship Date: May 4, 2026 if ordered today

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Mufflers, Direct-Fit, 2.63 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Cadillac, Chevrolet, GMC, Each

Part Number: BRE-100-5450

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Estimated Ship Date: May 6, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Cadillac, GMC, Hummer, 6.0L, Each

Part Number: APH-2510

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Cadillac, Lincoln, Each

Part Number: APH-2221

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Muffler, 2.25 in. Offset Inlet, 2.25 in. Center Outlet, 23.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-100-7175

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Estimated Ship Date: May 6, 2026 if ordered today

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