LDUNKZ18 Posted November 12, 2016 Share 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 Link to comment Share on other sites More sharing options...
ZEUS Posted November 12, 2016 Share Posted November 12, 2016 That will be LOUD ! 1 Quote Link to comment Share on other sites More sharing options...
LDUNKZ18 Posted November 12, 2016 Author Share 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 Link to comment Share on other sites More sharing options...
veilside z Posted November 14, 2016 Share Posted November 14, 2016 Will be more raspy Quote Link to comment Share on other sites More sharing options...
cascade88 Posted November 15, 2016 Share 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 Link to comment Share on other sites More sharing options...
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