DynoMax Bullet Racing Muffler - 3" In, Out - 4" Diameter - 12" Chamber Length, 16-1/2" Overall Length Impact 2003-2007 GMC C5500 Topkick

2003-2007 GMC C5500 Topkick

while the vibration damper is retained with the stock bolt

so that you can get the most horsepower and torque possible from your application

and vent lines for transmissions and differentials

DynoMax Bullet Racing Muffler - 3" In, Out - 4" Diameter - 12" Chamber Length, 16-1/2" Overall Length Impact 2003-2007 GMC C5500 TopkickDynoMax 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 3 in Center