1985 BUICK RIVIERA Exhaust

Muffler U-Clamp "Heavy Duty" 2.25" Size 3/8" Thick 11 Gauge Saddles

Part Number: WLK-35336

4.84 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Clamp; Heavy Duty U-Clamp; Size; 2 in.

Part Number: WLK-35335

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

CalCat CARB Catalytic Converter

Part Number: WLK-81327

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, 19.75 in. Length, 3.8L, Each

Part Number: MPE-93439

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 15, 2026 if ordered today

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Check Valve, AMC, BMW, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: SMP-AV7

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

AIR Tube, Steel, Natural, Each

Part Number: WLK-35574

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Manifold Hardware, Exhaust Flange Hardware, Bolt/Stud, Kit

Part Number: RNB-675-217

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust hanger, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WLK-35358

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Manifold Hardware, Studs, Bolts, Buick, Chevy, GMC, Oldsmobile, Pontiac, Set of 6

Part Number: RNB-03401

3.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Carburetor Pre-Heater Hose, Flex Tube, 2.00 in. Diameter, 18 in. Length, Each

Part Number: RNB-96024

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Audi, Volvo, Each

Part Number: MPE-3322306

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip-fit Inlet/Outlet, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-602005

Not Yet Reviewed

Estimated Ship Date: May 12, 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: Monday 4/27/2026 if shipped by air

Check Valve, AMC, BMW, Buick, Cadillac, Chevy, Chrysler, Dodge, Jeep, Olds, Pontiac, Saab, Volkswagen, Each

Part Number: SMP-AV7T

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Flange

Part Number: APH-8786

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Flange Hardware, Springs, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RNB-03080

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Preheater/Duct Hose, Flex Tube, 2.00 in. Diameter, 18.0 in. Length, Each

Part Number: SMP-DH2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Preheater/Duct Hose, Flex Tube, 1.5 in. Diameter, 20.0 in. Length, Each

Part Number: SMP-DH3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Muffler, Tru-Fit, Steel, Aluminized, 2.25 in. Inlet, 2.25 in. Outlet, 26.0 in. Length, Each

Part Number: WLK-18113

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94015

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: WLK-44703

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Pontiac, Each

Part Number: MPE-3322447

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Catalytic Converter, California Grade CARB Compliant Universal Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: MPE-3322015

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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MANIFOLD PRESSURE SENSOR

Part Number: HLN-2MAP0078

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: CTO-4112

4.0 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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