BUICK RIVIERA Exhaust

Muffler, OE Replacement, Steel, Aluminized, Buick, Oldsmobile, Each

Part Number: APH-2140

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 23.000 in. Overall Length, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: WLK-18234

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81322

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Catalytic Converter, Ceramic Honeycomb Substrate, 16.250 in. Overall Length, Buick, Chevy, GMC, Olds, Pontiac

Part Number: WLK-82637

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Resonator, Round, Steel, Aluminized, 2.25 in. Center Inlet, 2.50 in. Center Outlet, Buick, Chevy, Pontiac

Part Number: WLK-21687

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: WLK-18409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 24.00 in. Overall Length, Buick, Cadillac, Oldsmobile, Each

Part Number: WLK-18831

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Muffler, Premium Pro-Fit, 2 in. Inlet/2 3/8 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17812

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 18 in. Length, Each

Part Number: WLK-15142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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DIRECT-FIT CATALYTIC CONVERTER

Part Number: WLK-15817

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Tailpipe, Exhaust, Steel, Aluminized, 2.25 in. o.d., Buick, Cadillac, Olds, Chrysler, Dodge, Plymouth, Each

Part Number: WLK-43676

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Muffler, 2.25 in. Offset Inlet, 2.25 in. Center Outlet, 26.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-101-1164

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 38.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: APH-642706

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Catalytic Converters, Universal, 2.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each

Part Number: APH-608234

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Pontiac, 38.375 in Length, 3.8L, Each

Part Number: CTO-4975

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 22.75 in. Length, 4.1, 5.0L

Part Number: MPE-23447

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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

Part Number: WLK-18141

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, Car, 23.375 in. Length, Each

Part Number: CTO-4890

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 23.00 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: APH-645357

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Each

Part Number: MPE-3322418

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Catalytic Converters, California Compliant, Direct-Fit

Part Number: MPE-3322431

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Oldsmobile, Pontiac, 3.8L, Each

Part Number: MPE-4481464

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Riviera, 3.8L, Each

Part Number: MPE-23404

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Oldsmobile, Pontiac, 25.25 in. Length, 2.3, 3.8L, Each

Part Number: MPE-23467

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.63 in. Slip Fit Outlet, 23.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each

Part Number: APH-645410

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Estimated Ship Date: Mar 3, 2026 if ordered today

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