1978 PONTIAC BONNEVILLE Exhaust

Exhaust Manifold Studs, Nuts, Lock Washers, Set of 6

Part Number: RNB-03147

3.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Spring Bolt Kit, Exhaust Manifold Hardware, Steel, Black, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Kit

Part Number: WLK-36463

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Muffler, Quiet-Flow 3, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, GM, Each

Part Number: WLK-22317

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Catalytic Converter, Stainless Steel, Universal, 2 1/2 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94006

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Exhaust Flange Hardware, Steel, Zinc Plated, Buick, Cadillac, Chevy, GMC, Pontiac, Set of 3

Part Number: RNB-03112

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 14.00 in. Overall Length, Each

Part Number: APH-602206

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: MPE-94016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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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 3/16/2026 if shipped by air

Exhaust Hanger, Bolt-on, Steel, Natural, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: WLK-35662

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Resonator, Aluminized, Steel, Each

Part Number: WLK-21992

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, SoundFX, 2 1/4in. Inlet/3 in. Outlet, Steel, Aluminized, Pontiac, 6000, Each

Part Number: WLK-18235

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, SoundFX Series, Steel, Aluminized, 2.00 in. Inlet/2.125 in. Outlet O.D., Each

Part Number: WLK-17852

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Catalytic Converters, California Compliant, Direct-Fit

Part Number: MPE-3322431

Not Yet Reviewed

Estimated Ship Date: Apr 2, 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: Apr 6, 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: Apr 3, 2026 if ordered today

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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: Apr 2, 2026 if ordered today

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CATALYTIC CONVERTER

Part Number: WLK-81328

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each

Part Number: APH-604006

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Estimated Ship Date: Mar 31, 2026 if ordered today

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