Flowmaster Super HP-2 - Aggressive Sound Front Shocks Shock Absorbers and Shock Mounts Springs maintain the factory GVW

Springs maintain the factory GVW

Can be used on step side and fleet side trucks

Optional Ford 9" rearend housing available

Our proportioning valve kits ensure proper fluid transfer and contain a residual pressure valve for proper braking feel

Flowmaster Super HP-2 - Aggressive Sound Front Shocks Shock Absorbers and Shock Mounts Springs maintain the factory GVWFlowmaster has taken the laminar core of our classic HP 2 muffler and wrapped it in a new compact square case. The new Super HP 2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow mufflers, now in a new sleek styling. These mufflers are available in either a 409S stainless steel case or a polishable 304S stainless steel case and in sizes ranging from 2. 00 in., 2. 25 in. and 2. 50