BUICK Exhaust

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 10.50 in. Overall Length, Front Right, Buick, 3.6L, Each

Part Number: APH-644143

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 13.13 in. Overall Length, Front Right, Buick, Cadillac, Chevy, Each

Part Number: APH-641477

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 36.00 in. Length, Buick, Chevrolet, Pontiac, 5.3L, Each

Part Number: APH-642101

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-045

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter, Direct-Fit, Stock Flange, Stainless Steel, Buick, Chevy, Front, Each

Part Number: RNB-674-051

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter, Catalytic Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

Part Number: RNB-674-063

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-067

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Exhaust Manifold Kit

Part Number: RNB-674-154

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter 10-11 6 Cyl. Buick LaCrosse, 3.6L Engine, Front Right

Part Number: CTO-5349

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 55.25 in. Length, Buick, Chevy, Each

Part Number: APH-643138

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, EPA OBDII direct fit catalytic converter

Part Number: CTO-1468

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 13.00 in. Overall Length, Front Left, Buick, 3.6L, Each

Part Number: APH-641564

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 39.00 in. Length, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: APH-645186

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, Direct Fit, Ceramic, Stainless Steel, Chevrolet, Buick, GMC, Isuzu, Saab, Each

Part Number: CTO-9544

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each

Part Number: APH-641445

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Catalytic Converters, Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Saturn, Each

Part Number: CTO-4464

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Catalytic Converter, Universal Catalytic Converter - 2.25in.

Part Number: MPE-448305

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Catalytic Converter, Universal Catalytic Converter - 3in.

Part Number: MPE-448309

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Exhaust Systems, H-Bomb Header/Crossmember-Back, Stainless Steel, Natural, Turbo Pro Mufflers, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PYE-SGA43T

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, Mid-Length, 304 Stainless Steel, Natural, Chevy Small Back, Pair

Part Number: HED-62600

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Headers, Specialty and Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: HED-68546

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Headers, Hot Rodz Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, GM, A/G Body, Pair

Part Number: HED-68026

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Headers, Elite Extreme-Duty, Long Tube, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair

Part Number: HED-67313

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Estimated Ship Date: Jan 9, 2026 if ordered today

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