JoKeR Posted June 16, 2015 Posted June 16, 2015 I'm after an exhaust bung for a 5 inch tip. Last track day I done I passed the sound test but was way too loud round the track an got kicked off! Static test I'm 95db @ 4500rpm then as soon as I let off it jumps to 105db. @ 5250 it's 112db then they said it gets way louder out on track lol 🙉 The limit was 100db! I'm looking for something just to put in/on the tip of the exhaust for easy removal/install. Something like this but 5" please http://www.demon-tweeks.co.uk/motorsport/universal-exhaust-silencers/decibel-slayer-bolt-on-exhaust-noise-decibel-reducer-insert Need one by 17th July for the next track day. Thanks That's what she 'Zed' :-/ Quote
AliveBoy Posted June 16, 2015 Posted June 16, 2015 (edited) 5 INCH?! That's HUGE!! (*ahem* for an exhaust, nothing else you animals ) I have two at home, don't think either one is 5" but I'll check. Will have to be tomorrow though Edited June 16, 2015 by AliveBoy 1 Quote
Jetpilot Posted June 16, 2015 Posted June 16, 2015 You would be very lucky for a bung to bring the noise down that much, a few db, but not x 10. Db works on a weird scale, every 3db more or so is something like twice as loud. 1 Quote
AliveBoy Posted June 16, 2015 Posted June 16, 2015 http://www.ebay.co.uk/itm/5-Universal-Removable-Exhaust-Db-Killer-Baffle-/250770497104?pt=LH_DefaultDomain_3&hash=item3a63161e50 wrap some of this round it and secure with metal cable ties to secure: http://www.ebay.co.uk/itm/Exhaust-Silencer-Wadding-1-Meter-x-250mm-E-Glass-Fibre-Packing-for-Motorcycle-/351352802481?pt=LH_DefaultDomain_3&hash=item51ce424cb1 It will take a huge amount off the DB's, but you'll feel a power loss unfortunately. 1 Quote
Jetpilot Posted June 16, 2015 Posted June 16, 2015 On a normally aspirated car it will make negligible difference. Quote
JoKeR Posted June 16, 2015 Author Posted June 16, 2015 Yh it does work on a weird scale. An I know 5" is big haha (exhaust) haha Tomorrow is fine thank you mate. I'll take a look at them links as soon as I get better signal mate an I'm NA so you say it will be minimal loss? Thanks That's what she 'Zed' :-/ Quote
JoKeR Posted June 16, 2015 Author Posted June 16, 2015 Yh might go for that one on the link alive boy thanks. Just gonna check to make sure it's definitely 5" then check again. Surely cable ties will just melt won't they? That's what she 'Zed' :-/ Quote
AliveBoy Posted June 16, 2015 Posted June 16, 2015 Yh might go for that one on the link alive boy thanks. Just gonna check to make sure it's definitely 5" then check again. Surely cable ties will just melt won't they? That's what she 'Zed' :-/ Metal ones will be fine, they're funny things, not sure how I expected them to work, but it's not how they do they work like cable ties, just with a ball and some magic haha Quote
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