BUICK REGAL Walker Exhaust Catalytic Converters

Converter-EPA Ultra-Direct Fit

Part Number: WLK-54981

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Catalytic Converter, 3-way Style, Stainless Steel Case, 3.0 in. Slip Fit Inlet and Outlet, Buick, Chevy, Each

Part Number: WLK-81507

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54627

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Dec 3, 2025 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82904

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84355

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-84513

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84585

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Estimated Ship Date: Dec 2, 2025 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: Dec 2, 2025 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81322

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Estimated Ship Date: Dec 2, 2025 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81302

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Estimated Ship Date: Dec 2, 2025 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81326

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Estimated Ship Date: Dec 2, 2025 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81327

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-14742

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-14743

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ultra EPA Manifold Converter

Part Number: WLK-14619

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-84406

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-82618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Buick, Each

Part Number: WLK-16776

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Estimated Ship Date: Dec 4, 2025 if ordered today

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