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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 88 Items.
Header Flange, Stahl Pattern, 304 Stainless Steel, 0.375 in. Thick, 1.875 in. Primaries, Chevy Small Block, Each
Part Number: KOK-7034-S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flange Big Block Chevrolet
Part Number: KOK-7041-250-S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each
Part Number: KOK-7051S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each
Part Number: KOK-7040S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Header Flanges, No Stubs, Stainless 0.375 in. Thick, 1.625 in. Port, Each
Part Number: KOK-7028S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
2" SS TWR / VJR / Street Heat Flange (Individual)
Part Number: KOK-7022-S-0410
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Flange Ford 5.0L 4V Coyote Engine
Part Number: KOK-7029-S-2000
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust Flange
Part Number: KOK-7029S1875003
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
FLANGE
Part Number: KOK-7012B7051BS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each
Part Number: KOK-7046S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each
Part Number: KOK-7060S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Header Flanges, Outer Flange, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Each
Part Number: KOK-7011S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust Systems, Cat-back, Dual, Stainless Steel, Natural, Split Rear Exit, Dodge, 5.7L, Kit
Part Number: KOK-31614220
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust System Kit
Part Number: KOK-11534100
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust System, Cat-back, Dual Side Outlet, Stainless Steel, Natural, 4.00 in. Black Ceramic Tips, Ford, 5.0L, 3.5L, 2.7L, Kit
Part Number: KOK-13704240
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust System, Axle-Back, Single, Stainless Steel, Natural, Polished Tips, Chevrolet, 6.2L, Kit
Part Number: KOK-21606300
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Collector Flange, Steel, Natural, 4.0 in. Inside Diameter, 3-Bolt, Each
Part Number: KOK-7113-S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust Flange
Part Number: KOK-7030-S
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
HEADER FLANGES
Part Number: KOK-7029S1750003
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust System, Cat-back, Dual, Stainless Steel, Natural, Split Rear Exit, Jeep, 6.4L, Kit
Part Number: KOK-34104200
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust System, Cat-back, Dual Outlet, Stainless Steel, Natural, 4.00 in. Polished Tips, Ford, 5.0L, 3.5L, 2.7L, Kit
Part Number: KOK-13704210
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust System, Rear Axle-Back, 2.5 in. Intermediate Pipe, 2.5 in. Tailpipe, Mufflers, Pontiac, 6.0L, Kit
Part Number: KOK-24206100
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Exhaust System, Cat-back, Dual Side Outlet, Stainless Steel, Natural, 4.00 in. Polished Tips, Ford, 5.0L, 3.5L, 2.7L, Kit
Part Number: KOK-13704230
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Green Cats, 2.00 in. Primary Tubes, 3.00 in. Out, Dodge, Challenger, Charger, Hellcat, 6.2L, 304 Stainless Steel, Kit
Part Number: KOK-3103H630
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Long Tube, Stainless Steel, Natural, Chrysler, Dodge, Kit
Part Number: KOK-3101H420
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
