Adeeb1395 Posted September 26, 2013 Share Posted September 26, 2013 How to make n/a exhaust louder as possible? I want the best out of it... Quote Link to post Share on other sites
rmsnoel Posted September 26, 2013 Share Posted September 26, 2013 Just take off the backbox. It will sound shit, really really shit but it will be loud Quote Link to post Share on other sites
Flynn Posted September 26, 2013 Share Posted September 26, 2013 Take the cat and silencer out....then strip the rear of your car. Give it a week and it will do your nut in Quote Link to post Share on other sites
Chris Green Posted September 26, 2013 Share Posted September 26, 2013 Japspeed back box, insanely loud. Quote Link to post Share on other sites
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