DynoMax Bullet Racing Muffler - 4" In, Out - 5" Diameter - 12" Chamber Length, 16-1/2" Overall Length R030015S Nylon inner tube for superior

Nylon inner tube for superior refrigerant performance

universal joints

5 premium harness belt system to be added to the Pro Series lineup

Thrush Welded

Designed with Impact's exclusive high-grip fluted sole

DynoMax Bullet Racing Muffler - 4" In, Out - 5" Diameter - 12" Chamber Length, 16-1/2" Overall Length R030015S Nylon inner tube for superiorDynoMax Bullet Muffler Compact, round design for tight ground clearance. Moderate sound control RACE USE ONLY! Center Inlet Center Outlet Light weight compact design 100% welded design for maximum durability CRF Technology which helps provide up to a 4 dbA sound reduction, on most race applications, while maintaining a deep race toneDynoMax Performance Exhaust the power speaks for itself. Product Description: Muffler Race Series Bullet 4 in Center