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 # - 425250
Length - 11"
Body - 4" Round
Inlet - 2.5"
Outlet - 2.5"
Brick Type - Ceramic
Emission - O2 Nut