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Performance and Replacement Car, Truck, and More Exhaust Parts
Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your...
Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your vehicle’s exhaust flow with a performance exhaust system and you’ll restore lost horsepower and torque, and produce that iconic performance sound. We have complete cat-back exhaust systems and power-adding headers made from lightweight aluminized steel, or from rugged stainless steel, with many available polished to a show-ready shine. Or choose from exhaust parts such as the individual pipes, tubes, flanges, and turndowns you need for a custom setup, plus...
Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your vehicle’s exhaust flow with a performance exhaust system and you’ll restore lost horsepower and torque, and produce that iconic performance sound. We have complete cat-back exhaust systems and power-adding headers made from lightweight aluminized steel, or from rugged stainless steel, with many available polished to a show-ready shine. Or choose from exhaust parts such as the individual pipes, tubes, flanges, and turndowns you need for a custom setup, plus replacement or performance mufflers from mellow to aggressive, and even catalytic converters to keep you legal.
Showing In Stock Items. Show All 39 Items.
Catalytic Converter, Heavy Metal, Stainless Steel, 2.25 in. Inlet/Outlet, 13.0 in. Length, Each
Part Number: MPE-99205HM
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51205
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51204
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2 1/4 in. Inlet/Outlet, 16 in. Length, Each
Part Number: MPE-94005
Estimated Ship Date: Today
Estimated Ship Date: Today
CalCat CARB Catalytic Converter
Part Number: WLK-81327
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converter, CalCat Universal, Stainless Steel Case, Chrysler, Mazda, Mercedes-Benz, Pontiac, Toyota, Each
Part Number: WLK-82600
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 11.625 in. Overall Length, Each
Part Number: WLK-84102
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, 18.50 in. Length, for Hyundai, Audi, Chevy, Chrysler, Ford, Toyota, Volkswagen, Each
Part Number: APH-771105
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Heavy Metal, Stainless Steel, 2.25 in. Inlet/Outlet, 13.0 in. Length, Each
Part Number: MPE-99105HM
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 11.125 in. Length, Each
Part Number: MPE-5411305
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.500 in. Overall Length, Each
Part Number: WLK-84204
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Air Injection Pump, Secondary, Electric, Mercedes-Benz, Each
Part Number: RNB-306-023
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Catalytic Converters, Universal, 3-way, Stainless Steel Case, 2.000 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each
Part Number: MPE-99204HM
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Secondary Air Injection Pump. 1998-2008 Mercedes-Benz
Part Number: URO-015264
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Catalytic Converter, Stainless Steel, Mercedes-Benz, 3.2, 5.0L, Passenger Side, Each
Part Number: MPE-51706
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 13 in. Length, Each
Part Number: MPE-51105
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 66.25 in. Overall Length, Left, Mercedes-Benz, 5.0L, Each
Part Number: APH-645801
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter, 2.00 in. Slip Fit Inlet/Outlet, 7.625 in. Overall Length, Mercedes-Benz, Nissan, Saturn
Part Number: WLK-82503
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.18 in. Slip Fit Outlet, 67.25 in. Overall Length, Right, Mercedes-Benz, 5.0L, Each
Part Number: APH-645802
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic converter 8 Cyl. Mercedes Benz 5.0L Engine
Part Number: CTO-9922
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Walker Flange Repair Kit
Part Number: WLK-31884
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converter, Cal-Cat Universal, 2.375 in. Slip Fit Inlet, 2.375 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each
Part Number: WLK-83102
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Air Pump, EM- Air Pump
Part Number: SMP-AIP33
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 9.125 in. Length, Each
Part Number: MPE-5421205
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter, Stainless Steel, Mercedes-Benz, 3.2, 5.0L, Driver Side, Each
Part Number: MPE-51642
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
