Quote:
Originally Posted by 2000MustangGT  if i took the stock h pipe and cut the cats off of it would it sound similar to an aftermarket o/r h pipe | Yes but you'd have to get 2.25 inch piping to weld-in or clamp to subsitute for the lack of cats. It would probably better just to get an off road h pipe. When its time to get it smogged your going to need something with Cats on it.
__________________ Silver GT '03
4.6L 4R70W
Off the Clock, Never Off-Duty™
JLT Cold Air Intake, ProProducts Typhoon Polished Intake Manifold, 180* thermostat, Long High Performance Transmission Cooler, Intake Spacer, SLP Loudmouth 1 Cat-back, Custom Sniper Tune w/91 Octane, Built Rear w/4.10s, Soon to come: 100 shot | 
stock mustang h pipe 
