DynoMax Bullet Racing Muffler - 2-1/2" In, Out - 4" Diameter - 12" Chamber Length, 16-1/2" Overall Length Oil Filter Bypass Eliminator Adapter The 4772 features a 1

The 4772 features a 1

1989-1990 Chevrolet K3500

HANS Devices has been at the forefront of motorsport safety since 1985

Cool Cover is designed to prevent air tubes from becoming heat sinks

DynoMax Bullet Racing Muffler - 2-1/2" In, Out - 4" Diameter - 12" Chamber Length, 16-1/2" Overall Length Oil Filter Bypass Eliminator Adapter The 4772 features a 1DynoMax 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 2 1 2 in Center