Rob T Posted April 23, 2017 Posted April 23, 2017 I was just wondering if the bore of the Y Pipe is important? I have a Scorpion exhaust with 2.5inch mid pipe, but I've noticed most after market Y-pipes are anything from 2.25inch to 3inch. Does this matter? Surely airflow would be smoother with pipes of the same bore? Quote
Jetpilot Posted April 23, 2017 Posted April 23, 2017 Will make no difference on a relatively low tune na engine. Quote
Miller350z Posted April 23, 2017 Posted April 23, 2017 Just stick with scorpion y pipe then. I had my scorpion y pipe fitted on Friday. Looks nice.......not that you will ever see it Sent from my SM-G930F using Tapatalk Quote
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