Walker CalCat Universal Catalytic Converters

4.8 out of 5 stars 41 Customer Reviews

Specifically created for Californians, Walker CalCat universal fit catalytic converters comply with regulations for OBD-II and pre-ODB-II vehicles. These converters feature a universal, weld-in design at a great cost savings over expensive OEM converters and feature a stainless steel body, heat-shielded pipe, and structural brace for enhanced strength and durability. Get the best balance of performance and price from Walker CalCat universal catalytic converters. Order the model designed for your application needs.

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Walker CalCat Universal Catalytic Converters 81918

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-81918

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82505

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

Part Number: WLK-82505

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 83406

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Walker CalCat Universal Catalytic Converters 82904

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

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82603

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

Part Number: WLK-82603

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82618

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: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82637

Catalytic Converter, Ceramic Honeycomb Substrate, 16.250 in. Overall Length, Buick, Chevy, GMC, Olds, Pontiac

Part Number: WLK-82637

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82529

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

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 84302

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

Part Number: WLK-84302

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 84507

Catalytic Converters, Universal, Stainless Steel Case, 3.000 in. Slip Fit Inlet, 2.750 in. Slip Fit Outlet, 16.500 in. Overall Length, Each

Part Number: WLK-84507

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters for 2000-2002 BONNEVILLE, LESABRE, PARK AVENUE - 82917

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82917

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 84406

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

Part Number: WLK-84406

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81712

Catalytic Converter, Stainless Steel Case, for use on Acura®, Honda®, BMW, Chevy, Dodge, Land Rover, Volvo

Part Number: WLK-81712

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 84500

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

Part Number: WLK-84500

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters for 2010-2011 IMPALA, 2009-2011 LUCERNE, 2013-2014 TACOMA - 84107

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-84107

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters for 2004-2005 IMPALA, MONTE CARLO, 2004 REGAL - 84513

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

Part Number: WLK-84513

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 83408

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

Part Number: WLK-83408

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82617

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

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

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