Super HP-2 Muffler 18" 409S - 2.25" Inlet Centered/Outlet Centered Seat Brackets & Rails 8-ohm ballast resistor is required

8-ohm ballast resistor is required (MSD PN 8214)

5/8" 4130 outer race spherical bearings

Cuffs are adjustable from 10" to 15"

Also works with some D-Series engines

Stage 3 400

Super HP-2 Muffler 18" 409S - 2.25" Inlet Centered/Outlet Centered Seat Brackets & Rails 8-ohm ballast resistor is requiredFlowmaster 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