Description
Muffler Diameter 11” X 55” fits Peterbilt 387 (’99 2007) Overall Lenght 61.5” Inlet Outlet 5” ensuring a seamless and exact Bolt Spacing:Chrome 1 1 8" Bolt Spacing US66 A 3296 T 1086 Part Dimensions 7 1 ensuring a seamless and exact fit with the original factory mountings Operating Torque: 44 NM