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Exhaust

Performance and Replacement Car, Truck, and More Exhaust Parts

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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.

Individual Parts

Results 1 - 25 of 1273

Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: WLK-83482

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Exhaust Systems, Mach Force XP, Cat-back, Dual, Stainless Steel, Natural, Split Rear Exit, Chrysler, Dodge, 3.6L, Kit

Part Number: AFE-49-32071

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, for use on Acura®, 1.8L, Each

Part Number: MPE-4481639

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Exhaust System, Mach Force XP, Rear Axle-back, 304 Stainless Steel, Natural, Split Rear Exit, Chevy, 6.2L, Kit

Part Number: AFE-49-34068-P

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Exhaust Systems, Mach Force XP, Cat-back, Single, Stainless Steel, Natural, Side Exit, Dodge, 5.7L, Kit

Part Number: AFE-49-42008-1

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Lexus, Toyota, Each

Part Number: WLK-83288

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Muffler, Pro Series Outlaw Race, Round, Steel, Natural, 3.0 in. Center Inlet/Outlet, 9.0 in. Case Length

Part Number: FLO-13009130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Chevy, GMC, 4.3L, 4.8L, 5.3L, Each

Part Number: MPE-4451419

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.00 in. Overall Length, Audi, BMW, Chevy, Ford, Toyota, Each

Part Number: WLK-84205

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each

Part Number: WLK-83508

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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-83509

Not Yet Reviewed

Estimated Ship Date: Today

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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-82901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Exhaust System, Mach Force XP, Axle Back, Single in/Dual out, Stainless Steel, Natural, Alfa Romeo, 2.0L, Kit

Part Number: AFE-49-36902

Not Yet Reviewed

Estimated Ship Date: Today

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Converter-CalCat-Direct Fit

Part Number: WLK-84275

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Pontiac, Toyota, Each

Part Number: WLK-83197

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Converter-CalCat-Direct Fit

Part Number: WLK-84176

Not Yet Reviewed

Estimated Ship Date: Today

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Catalytic Converter, CalCat, Direct Fit, Stainless Case, Toyota, Each

Part Number: WLK-81978

5.0 out of 5 stars ( 1 )

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, for use on Honda®, 2.4L, Each

Part Number: MPE-5461260

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Catalytic Converter, Stainless Steel Case, 2.5 in., Dodge, Each

Part Number: MPE-4451285

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Hot Air Hose, Porsche 911 65-74 86-89, 930 78-79

Part Number: URO-009779

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Air Pump, Replacement, Electric, Cadillac, Each

Part Number: SMP-AIP19

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

California Direct-Fit Catalytic Converter

Part Number: MPE-5631381

Not Yet Reviewed

Estimated Ship Date: Today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Chevy, GMC, 4.3L, 5.0L, 5.7L, Each

Part Number: MPE-3391256

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today