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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 90 Items.
Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each
Part Number: WLK-35337
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Clamp; Heavy Duty U-Clamp; Size; 2 in.
Part Number: WLK-35335
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Hanger Insulator, Car
Part Number: WLK-35725
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Hangers, AP Exhaust Hangers, Insulator, Rubber, for use on Acura®, for use on Honda®, for Nissan, Isuzu, Each
Part Number: APH-HW5156
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Studs, Exhaust Manifold Mounting Hardware, Steel, Natural, for use on Acura®, Honda®, Isuzu, Kit
Part Number: RNB-03415B
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 10.75 in. Length, for use on Acura®, for use on Honda®, Each
Part Number: APH-642035
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Exhaust Hangers, Replacement Exhaust Insulators, Rubber, Black, 1.875 in. Length, for use on Acura®, for use on Honda®, Mazda, Suzuki, Toyota, Each
Part Number: WLK-35284
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Quiet-Flow SS Muffler Assembly
Part Number: WLK-55595
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each
Part Number: WLK-84206
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 12.0 in. Length, Each
Part Number: CTO-2545
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Catalytic Converter, Ceramic Honeycomb, Stainless Steel Case, 2.5 in. Slip Fit Inlet/Outlet, Each
Part Number: MPE-51656
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Converter-CalCat-Direct Fit
Part Number: WLK-84176
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Acura, Honda, Each
Part Number: WLK-16643
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Tip, Single, Round, Clamp-on, Stainless, Polished, 2.25 in. Inlet i.d., 2.5 in. Oulet, Slant Cut, Each
Part Number: WLK-36445
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Driver Side, for use on Acura®, Each
Part Number: WLK-22059
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pipe-Front Pipe
Part Number: WLK-73011
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
EPA OBDII Direct Fit Converter
Part Number: CTO-1250
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter, Stainless Steel, for use on Acura®, Honda®, Saturn, Rear, Each
Part Number: RNB-674-849
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, For use on Acura®, Each
Part Number: CTO-4928
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter 10-13 6 Cyl. Acura MDX, 3.7L Engine, Rear & 10-13 6 Cyl. Acura ZDX, 3.7L Engine, Rear
Part Number: CTO-5135
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Manifold Converter, Manifold Converter - CARB Compliant
Part Number: RNB-672-146
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-16450
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:
AP Exhaust Direct-Fit Catalytic Converters 641355
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 14.00 in. Overall Length, for use on Acura®, for use on Honda®, Each
Part Number: APH-641413
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter, California Grade, Manifold, Direct-Fit, Stainless Steel Case, Front Position, for use on Acura®, for use on Honda®, Each
Part Number: MPE-5582740
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
EPA OBDII Direct Fit Converter
Part Number: CTO-1222
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
