Thunderbolt cat's are designed to give high performance in limited spaces. This high flow converter features a ceramic brick with 400 holes per square inch. This 100% OBDII EPA legal catalytic converter is designed for engine's up to 5.9L / 6000 lbs. (Not for use in California)

Part # - 445225
Length - 13"
Body - 4" Round
Inlet - 2.25"
Outlet - 2.25"
Brick Type - Ceramic. Converter is reversible.

Heavy Loaded for late model vehicles.