2003 OLDSMOBILE SILHOUETTE Exhaust

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

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Exhaust Flange Studs, Steel, Black Oxide, M10-1.5 x 62mm, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: RNB-03142

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Catalytic Converter, Universal, 2.5 Inlet, 2.5 in. Outlet, Slip Fit, Stainless Steel, Ceramic Honeycomb, Each

Part Number: APH-608226

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Exhaust Hangers, AP Exhaust Replacement Exhaust Insulators, Insulator, Rubber, 3.50 in. Length, Each

Part Number: APH-8202

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 32.00 in. Overall Length, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Each

Part Number: WLK-18942

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Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Saturn, V6, Each

Part Number: APH-2571

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608736

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 60.00 in. Overall Length, Chevrolet, Olds, Pontiac, Each

Part Number: APH-642988

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-4307

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each

Part Number: WLK-83408

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-83450

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Left, Front, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ATP-101275

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Exhaust Systems, Direct-Fit, Cat-back, Single, Steel, Aluminized, Rear Exit, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Kit

Part Number: BRE-106-0009

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Muffler, 2.25 in. Offset Inlet, 2.25 in. Center Outlet, 32.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-100-5435

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Resonator, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Saturn, Each

Part Number: WLK-55273

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Catalytic Converter, Stainless Steel Case, for use on Acura®, Honda®, BMW, Chevy, Dodge, Land Rover, Volvo

Part Number: WLK-81712

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Muffler, Quiet-Flow SS, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Aluminized, Chevy, Oldsmobile, Pontiac, Each

Part Number: WLK-21410

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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