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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 31 Items.
Bellow, Exhaust, Steel, Natural, 5.00 in. Inlet, 16.500 in. Length, Clamp-on, Freightliner, Truck, Kit
Part Number: RNB-674-6005
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Walker Heavy Duty Flex Tubing
Part Number: WLK-42424
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:
Bellow, Exhaust, Steel, Natural, 4.00 in. Inlet, 16.80 in. Length, Clamp-on, International, Truck, Kit
Part Number: RNB-674-6011
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.2 in. Inlet, 13.0 in. Length, Clamp-on, Peterbilt, Truck, Kit
Part Number: RNB-674-6022
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 4.00 in. Inlet, 14.00 in. Length, Clamp-on, Freightliner, Truck, Kit
Part Number: RNB-674-6001
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 4 in. Inlet, 12.0 in. Length, Clamp-on, International, Truck, Kit
Part Number: RNB-674-6012
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.5 in. Inlet, 12.5 in. Length, Clamp-on, Kenworth, Peterbilt, Truck, Kit
Part Number: RNB-674-6018
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.2 in. Inlet, 12.5 in. Length, Clamp-on, Kenworth, Peterbilt, Truck, Kit
Part Number: RNB-674-6021
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Diesel Exhaust Fluid (DEF) Injector Gasket, Diesel Emissions Fluid Injector Gasket
Part Number: RNB-904-5555
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pipe, Elbow, Outside Diameter 5.000 in., Steel, Aluminized, Universal, Each
Part Number: WLK-42940
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
EGR Cooler, Heavy-Duty, Stainless Steel, Natural, Blue Bird, Freightliner, International, Kenworth, Mack, Oshkosh, Peterbilt, Roadmaster Rail, Each
Part Number: RNB-904-5024
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
