Flowmaster HP-2 Series "Shorty" Muffler- 2" Inlet, 2" Outlet - 12" Case - 409S GB100020 Backing pads are designed to

Backing pads are designed to work with sanders that have a 5/8"-11 arbor

reducing the chance of "pull-through" failure

Check clearance prior to purchase

1975-1975 International MS

Flowmaster HP-2 Series "Shorty" Muffler- 2" Inlet, 2" Outlet - 12" Case - 409S GB100020 Backing pads are designed toConstructed with an 12" long, painted 409S outer shell, and 409 Internal components. Available in 2. 00", 2. 25", and 2. 50" inlet outlet sizes. Featuring the same the same technology as the standard HP 2 mufflers, the 409S HP 2 "Shorties" have a shorter case length of 12 inches and a 4. 00 X 5. 50 inch width. Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle. The 409S HP 2 "Shorties" feature a painted