B Big_Red Middle Lane Hogs Mar 5, 2011 #2 I have a straight through turbo back exhaust. I have a cat for it and the NCT is looming would my cat fit with the centre piece and backbox do you know? I may need a downpipe too I think........
I have a straight through turbo back exhaust. I have a cat for it and the NCT is looming would my cat fit with the centre piece and backbox do you know? I may need a downpipe too I think........
OP OP I ianfl Octane Boostaholics Mar 6, 2011 #3 Wrx or wrx sti Not sure but your welcome to try it think its 2.5 inch if thats an help