LDUNKZ18 Posted November 12, 2016 Posted November 12, 2016 i'm running a isis (isr) performance single exit at the minute. will be getting the car mapped hopefully in January. thinking about getting the middle box removed and replaced with a straight pipe. would this cause any issues with backpressure etc? Quote
LDUNKZ18 Posted November 12, 2016 Author Posted November 12, 2016 i have berks hfc and a stillen y so yeah probably will be loud but an agency power system is straight back from y pipe and a small back box. i know the agency power one is loud 1 Quote
cascade88 Posted November 15, 2016 Posted November 15, 2016 I have done this myself as was too quiet before. It is more raspy but also louder, much better for my taste. Would get a vid but cars not with me at the mo. If you check YouTube though there's a guy that put vids up before and after removing the centre silencer. 1 Quote
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