? for Mr. Yoon or Air Ram
ORIGINAL: crazyhemi
Hey did you guys take your cats off or keep them on when you repiped your exhaust? Any help will be greatly appreciated
Hey did you guys take your cats off or keep them on when you repiped your exhaust? Any help will be greatly appreciated
The 2002 4.7L only has ONE cat.. I went to a true single 3"ID system and upgraded the CAT to a true 3" ID High Flow CAT.
SPEED SAFE, AIR RAM
...I was with John (mr. Yoon) when he put his cats back on...he said his performance suffered quite a bit when he rmoved them...he went witha cutout instead and gained alot...he kicks my butt all the time...
..you know what...I just realized the same thing....and i chat or talk to him almost daily too....I'll him today and see whats up... I have all my drop components and he's helpin me installem



