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NOTORIOUS.BRZ · 08-12-2013, 03:42 AM

what would this catback be like on a turbo application? like say if i went 2.5" diameter front pipe and down pipe and maybe de-cat, then this cat back. is it bad to go bigger diameter to smaller?

08-12-2013, 03:42 AM	#41
NOTORIOUS.BRZ Member Join Date: Mar 2013 Drives: SUBARU BRZ ZN6 AU 2013 Location: Australia Posts: 39 Thanks: 4 Thanked 20 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	what would this catback be like on a turbo application? like say if i went 2.5" diameter front pipe and down pipe and maybe de-cat, then this cat back. is it bad to go bigger diameter to smaller?