BUICK RIVIERA Exhaust

Exhaust Pipe, Intermediate Pipe, Steel, Aluminized, 2.25 in. O.D., Buick, Cadillac, Oldsmobile, Each

Part Number: WLK-44703

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Estimated Ship Date: Dec 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-93506

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Estimated Ship Date: Dec 9, 2026 if ordered today

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Muffler, Challenge, Steel, Aluminized, Buick, Cadillac, Oldsmobile, Each

Part Number: APH-3032

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 21.50 in. Length, 5.0, 5.7, 6.6L, Each

Part Number: MPE-93431

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Buick, Oldsmobile, Each

Part Number: APH-700357

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Estimated Ship Date: Nov 30, 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: Dec 9, 2026 if ordered today

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Exhaust Manifold Bolt, Steel, Natural, Buick, Cadillac, Chevy, Chrysler, Dodge, Oldsmobile, Plymouth, Pontiac, Toyota, Each

Part Number: APH-4976

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Estimated Ship Date: Nov 27, 2026 if ordered today

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CATALYTIC CONVERTER

Part Number: WLK-81328

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Estimated Ship Date: Dec 8, 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: Dec 9, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 21.00 in. Overall Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: APH-642353

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Estimated Ship Date: Nov 30, 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: Dec 9, 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: Nov 30, 2026 if ordered today

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Exhaust Pipes, Direct-Fit Intermediate Pipes, Steel, Aluminized, 2.500 in. O.D., Buick, Pontiac, Each

Part Number: BRE-102-8800

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Estimated Ship Date: Jan 5, 2027 if ordered today

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Catalytic Converter, Universal Catalytic Converter - 2.5in.

Part Number: MPE-448306

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Estimated Ship Date: Dec 9, 2026 if ordered today

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Exhaust Manifold, Front, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each

Part Number: RNB-674-540

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, 20.5 in. Length, L4, V6, V8

Part Number: MPE-23419

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Estimated Ship Date: Dec 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2 in. Inlet/Outlet, 16.5 in. Length, Each

Part Number: CTO-2539

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Estimated Ship Date: Nov 25, 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: Dec 9, 2026 if ordered today

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DIRECT-FIT CATALYTIC CONVERTER

Part Number: WLK-15817

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Estimated Ship Date: Dec 9, 2026 if ordered today

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Intermediate Pipe, Exhaust, Front Pipe, Steel, Aluminized, Buick, Pontiac, Each

Part Number: WLK-52270

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 10, 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: Nov 23, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Round Case, Front Muffler, Buick, Oldsmobile, Each

Part Number: APH-700446

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Buick, Cadillac, Oldsmobile, Each

Part Number: APH-700360

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Estimated Ship Date: Nov 27, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Buick, Oldsmobile, V6, V8, Each

Part Number: APH-2501

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Estimated Ship Date: Nov 27, 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: Dec 9, 2026 if ordered today

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