Dorman 674-6014 Exhaust Flex Bellows Kit 4.0 In. x 13.0 In. Clamp-On Steel

The Dorman 674-6014 is a heavy-duty exhaust flex bellows kit — also known as an exhaust flex pipe — designed as a direct-fit clamp-on replacement for International trucks. Constructed from durable steel, this bellow features a 4.0-inch inlet diameter and 13.0-inch overall length, making it engineered to match the dimensions of the original equipment pipe.

Key Features:

• Vibration and displacement absorption — engineered to absorb engine displacements, vibrations, and thermal expansion caused by extreme exhaust temperatures
• Flex point integration — provides a critical flex point in the exhaust system between the engine and after-treatment emissions equipment
• Leak prevention — seals the exhaust pathway to prevent exhaust leaks and the associated loss of engine power and efficiency
• Steel construction — durable natural steel finish built to withstand high-heat heavy-duty truck applications
• Clamp-on installation — includes all required hardware for a complete clamp-on repair
• Quality tested — undergone vehicle fitment and material testing to ensure proper fit and performance
• Limited lifetime warranty — backed by Dorman HD Solutions

This Dorman HD Solutions exhaust pipe bellow kit includes all necessary installation components for a complete repair. With a 4.0 in. inlet diameter and 13.0 in. length, it is a direct OE-style replacement that restores proper exhaust system function and helps maintain engine performance.