Off Road H-Pipe = NO Cats

High flow H-Pipe = Cats
Doesn't seem to hard!
Originally posted by chrisilversvt:
and it is also pretty hard to tell sometimes if a stang has a true offroad or high flow hpipe,and i've been into the mustang scene for over 10 years now....i had a million people swear up and down my cousin had an offroad h on his car when in reality all he had was a catback...so i'm finding your statements pretty hard to believe..