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Dorman Exhaust Flex Bellow Kits
Bellow, Exhaust, Steel, Natural, 3.5 in. Inlet, 12.5 in. Length, Clamp-on, Kenworth, Peterbilt, Truck, Kit
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Estimated Ship Date: Oct 28, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
674-6018
Part Type:
Product Line:
Summit Racing Part Number:
RNB-674-6018
UPC:
889245041333
Inlet Diameter (in.):
3.50 in.
Flex Pipe Material:
Steel
Flex Pipe Overall Length:
12.500 in.
Flex Joint Material:
Steel
Flex Joint Color:
Natural
Inlet Attachment:
Clamp-on
Outlet Attachment:
Clamp-on
Exhaust Clamp Included:
Yes
Exhaust Clamp Material:
Steel
Exhaust Clamp Color:
Natural
Quantity:
Sold as a kit.
Dorman Exhaust Flex Bellow Kits
Dorman exhaust flex bellow bellows are quality-engineered to absorb displacements, vibrations, and thermal expansion from extreme exhaust temperatures. These steel bellows provide a flex point in the exhaust system between the engine and after-treatment emissions equipment. They also prevent exhaust leaks and loss of engine power. All Dorman exhaust pipe bellows are direct-fit replacements and include the required components for a complete clamp-on repair, where applicable. The bellows are available in a variety of lengths and inlet diameters. Choose the model recommended for your vehicle application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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