CHEVROLET IMPALA Walker Exhaust Parts and Accessories

Ultra EPA Catalytic Converter

Part Number: WLK-50584

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Ultra EPA Catalytic Converter

Part Number: WLK-16895

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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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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54626

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

Part Number: WLK-21110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84355

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

Part Number: WLK-54962

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

Part Number: WLK-44916

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Exhaust Flange Gasket, Fiber with Metal Laminate, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: WLK-31413

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Muffler, Premium Pro-Fit, 2 in. Inlet/2 3/8 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17812

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 23.00 in. Overall Length, Buick, Cadillac, Chevrolet, Each

Part Number: WLK-18599

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Mufflers-Quiet-Flow

Part Number: WLK-22104

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

Part Number: WLK-21111

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84599

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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 )

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Mufflers-Quiet-Flow

Part Number: WLK-22126

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Ultra EPA Catalytic Converter

Part Number: WLK-14797

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Ultra EPA Catalytic Converter

Part Number: WLK-14618

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Ultra EPA Catalytic Converter

Part Number: WLK-16896

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Driver Side, Chevy, Each

Part Number: WLK-21750

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CalCat CARB Catalytic Converter

Part Number: WLK-81327

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 13.500 in. Overall Length, Each

Part Number: WLK-84500

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Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 17.375 in. Overall Length, Each

Part Number: WLK-84502

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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-82617

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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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