Dynomax 32218 Exhaust U-Bolt Clamp DynoMax Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. Hardware and accessories provide OE-style features and design for greater durability for longer service life Hardware and accessories provide OE-style fit and finish for easy use and installation Hardware and accessories are manufactured from premium steel to provide greater durability Hardware and accessories are manufactured to work seamlessly with all Dynomax performance parts, making installation quick and easy