Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID)
Walker Heavy Duty 21464 Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID) for Ford F-250 Super Duty
Designed to help ensure long service life
Offered in a variety of styles, sizes and materials for your installation needs
Manufactured from aluminized steel for durability
Engineered to reduce in-cab and exterior engine noise
An economical replacement for the original equipment part
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a "one-stop" convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic, import and commercial vehicle applications.