MBRP Armor Lite 4" Aluminized Muffler Delete Pipe (36" Long) BD-1604720 The Helical spur gear design

The Helical spur gear design runs quieter than straight cut gears

enabling the truck to still have an admirable weight capacity while offering smooth and comfortable street driving performance

This filter is designed to help protect sensitive shift control valves and prevent secondary damage to engine parts

anyone can install their own onboard air system that features a Model 730 The Demon triple steel train horn

MBRP Armor Lite 4" Aluminized Muffler Delete Pipe (36" Long) BD-1604720 The Helical spur gear designIf you're running an aftermarket 4" exhaust system with a muffler and looking to straight pipe the system, this muffler delete pipe is for you. Constructed from heavy duty aluminized steel you can count on this pipe lasting for years to come.