h pipe with cats

[95-STANG-Gt]

how much of a difference is a catted h-pipe gonna make..hp.torque...also..will i get more out of that than an x-pipe??
thanx a lot
joe

[silverv6]

I dont know the difference but if your lookin for HP go with the X pipe .. H pipe is for sound and X pipe is for HP

[silverv6]

get a off road X pipe if you can.