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Showing In Stock Items. Show All 292 Items.
Catalytic Converter, Ultra High Performance Green, Stainless Steel Case, 3.0 in. Slip Fit Inlet/Outlet, 7.00 in. Overall Length, 4.0 in. Round, Each
Part Number: KOK-GE-90147
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, CalCat Universal, One Inlet, 2.25 in., One Outlet, 2.25 in., Stainless Steel, Ceramic Honeycomb, Each
Part Number: WLK-83402
Estimated Ship Date: Today
Estimated Ship Date: Today
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless, Chevy, Pontiac, 5.7L, Driver Side, Each
Part Number: MPE-23477
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Estimated Ship Date: 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-83403
Estimated Ship Date: Today
Estimated Ship Date: Today
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-83401
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Scion, Each
Part Number: WLK-47848
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, Chevy, 5.7L, Passenger Side, Each
Part Number: MPE-23408
Estimated Ship Date: Today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Today
Mail - In Rebate
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Catalytic Converter, Stainless Steel, Chevy, 5.7L, Driver Side, Each
Part Number: MPE-23409
Not Yet Reviewed
Estimated Ship Date: Today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Today
Catalytic Converter, CalCat, California Legal, 2.00 in. Inlet/Outlet, 12.00 in. Overall Length, 4.00 in. Thick, 4.00 in. Width, Universal, Each
Part Number: WLK-84403
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Ford, Lincoln, Each
Part Number: WLK-50567
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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Rebate Expires: 12/31/2025
Catalytic Converter Conv DF 11-15 Frontier 4 Underbody
Part Number: MPE-52670
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Jan 6, 2026 if ordered today
Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each
Part Number: WLK-83404
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Dodge, Each
Part Number: WLK-50368
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ultra EPA Catalytic Converter
Part Number: WLK-50584
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Jeep, Each
Part Number: WLK-50481
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026
Mail - In Rebate
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Rebate Expires: 12/31/2025
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.50 in. Slip Fit Inlet/Outlet, 9 in. Length, Each
Part Number: MPE-5421206
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Jan 6, 2026 if ordered today
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, 2.00 in. Inlet, 2.00 in. Outlet, 8.0 in. Length, Universal, Each
Part Number: MPE-337304
Not Yet Reviewed
Estimated Ship Date: Today
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Rebate Expires: 12/31/2025
Estimated Ship Date: Today
Mail - In Rebate
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Rebate Expires: 12/31/2025
Catalytic Converter, Stainless Steel, 2.50 in. Inlet, 2.50 in. Outlet, 8.0 in. Length, Universal, Each
Part Number: MPE-337306
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
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Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Jan 6, 2026 if ordered today
Catalytic Converter, Direct-Fit Catalytic Converter
Part Number: MPE-24455
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Chrysler, Dodge, Ram, Each
Part Number: WLK-16780
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Ford, Each
Part Number: WLK-53969
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Hyundai, Kia, Each
Part Number: WLK-16646
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Subaru, Each
Part Number: WLK-55640
Not Yet Reviewed
Estimated Ship Date: Jan 7, 2026 if ordered today
Estimated Ship Date: Jan 7, 2026 if ordered today
Catalytic Converter, Ultra Direct-Fit, Stock Flange, Two Inlets, One Outlet, Stainless Steel, Ceramic Honeycomb, Saab, Subaru, Each
Part Number: WLK-16564
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
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Catalytic Converter, Ultra Manifold, Direct Fit, Stainless Steel, Ford, Focus, 2.0L, Each
Part Number: WLK-16647
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
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