BUICK Walker Exhaust Parts and Accessories

Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each

Part Number: WLK-83508

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Catalytic Converter, 2.00 in. Slip Fit Inlet/Outlet, 13.250 in. Overall Length, Chevy, Suzuki, Toyota, Each

Part Number: WLK-82526

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stainless Steel, Buick, Pontiac, 3.8L, Each

Part Number: WLK-54752

5.0 out of 5 stars ( 1 )

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

Part Number: WLK-54772

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each

Part Number: WLK-83406

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Buick, Chevrolet, GMC, Saturn, Each

Part Number: WLK-16710

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Catalytic Converter, CalCat, Universal, Stainless Steel, 2.00 in. Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-82505

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Catalytic Converter, Cal-Cat Universal, 2.250 in. Slip Fit Inlet, 2.250 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82529

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Estimated Ship Date: Feb 23, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81301

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-14709

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Estimated Ship Date: Feb 24, 2026 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-54937

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-55476

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Mufflers-Quiet-Flow SS

Part Number: WLK-22169

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Mufflers-Quiet-Flow SS

Part Number: WLK-22170

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Mufflers-Quiet-Flow

Part Number: WLK-22223

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Estimated Ship Date: Feb 24, 2026 if ordered today

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

Part Number: WLK-52507

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16870

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Resonator, Steel, Aluminized, Inlet Diameter 2.000 in., Outlet Diameter 2.500 in., Buick, GMC, Each

Part Number: WLK-53990

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Resonator, Steel, Aluminized, Inlet Diameter 2.000 in., Outlet Diameter 2.500 in., Buick, GMC, Each

Part Number: WLK-53991

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54626

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-14618

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ultra EPA Manifold Converter

Part Number: WLK-14619

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Quiet-Flow Exhaust Muffler

Part Number: WLK-22830

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Quiet-Flow Exhaust Muffler

Part Number: WLK-22831

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Chevrolet, Pontiac, Saturn, Each

Part Number: WLK-55587

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Estimated Ship Date: Feb 24, 2026 if ordered today

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• Oversize $10.99
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