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mpp9 · 04-29-2009, 12:49 AM

I'm confused I thought that the stillen catback had a y-pipe design while the invidia is the only one I know of with an x-pipe.

04-29-2009, 12:49 AM	#121 (permalink)
mpp9 Base Member Join Date: Apr 2009 Location: Pittsburgh Posts: 103 Drives: 2012 sti Rep Power: 16	I'm confused I thought that the stillen catback had a y-pipe design while the invidia is the only one I know of with an x-pipe.