warpedballer Posted April 27, 2021 Share Posted April 27, 2021 Got a weird question for you guys. Might be a little hard to explain but ill do my best. I have a Delkevic 8inch exhaust on my fj09 and as it sounds amazing it is giving me some issues with my ears. At cruising speeds and when getting on the throttle slightly the exhaust creates (best i can explain it) a droning, low tone that causes my ears to ring (from what im assuming is vibration of the inner ear)... but heres the problem, it only does this to my ears when I have ear plugs in and a helmet on. without either theres no issue besides it being too loud. but with a helmet on (ive tried 4 different helmets, currently using a AGV K6) and ive also tried 5 different types of ear plugs ranging from $1-$40. They all exhibit the issue. Again I know this sounds weird, but its not wind noise or anything else, its only when the exhaust is hitting certain rpms, most specifically cruising ranges. Im at a point where im about to put the stock exhaust back on but really dont want to resort to this. Any ideas or experience? - the main problem here is that my ears are ringing after riding short time frames with earplugs in not because its too loud, but some weird noise/vibration its making off the helmet im assuming...? Link to comment Share on other sites More sharing options...
Premium Member 2and3cylinders Posted April 27, 2021 Premium Member Share Posted April 27, 2021 ECU flashed, detonation (preignition) could be causing supersonic sound waves that resonate within the helmet that reverberates at a frequency at specific RPM. just a guess... 3 Link to comment Share on other sites More sharing options...
peteinpa Posted April 27, 2021 Share Posted April 27, 2021 I'm sorry, but I'm laughing. You put a loud pipe on and now have issues with your ears. Hmmmm.... Put the OEM back on. 1 Link to comment Share on other sites More sharing options...
Jfundo Posted April 27, 2021 Share Posted April 27, 2021 I think I would start here: https://delkevic.com/accessories/baffles/ Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 4 hours ago, peteinpa said: I'm sorry, but I'm laughing. You put a loud pipe on and now have issues with your ears. Hmmmm.... Put the OEM back on. Purchased the bike with it, Peter. Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 2 hours ago, Jfundo said: I think I would start here: https://delkevic.com/accessories/baffles/ It has a baffle currently, but I think I may be able to put a 13-14inch on it instead. You think that'll do much? Link to comment Share on other sites More sharing options...
Jfundo Posted April 27, 2021 Share Posted April 27, 2021 I thought this was supposed to be a judgement free zone... Anyway, my guess is there is just some sort of resonance coming out of the pipe at that specific RPM that can work its way into your ears, and the earplugs are actually helping it. Probably need to start at the source and change something with your exhaust. Those baffles you can buy might not cut down volume a ton, but I'm willing to bet they will change harmonics. Hopefully for the better. 1 Link to comment Share on other sites More sharing options...
Jfundo Posted April 27, 2021 Share Posted April 27, 2021 I think it all depends on how potentially wasting $40 on giving it a shots feels to you. Link to comment Share on other sites More sharing options...
Jfundo Posted April 27, 2021 Share Posted April 27, 2021 Maybe as an experiment, take the baffle out you have. See what happens. Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 (edited) 4 minutes ago, Jfundo said: Maybe as an experiment, take the baffle out you have. See what happens. True to all of this. will try the baffle out first then order that one. better to try $50 before $200 Edited April 27, 2021 by warpedballer Link to comment Share on other sites More sharing options...
Garz747 Posted April 27, 2021 Share Posted April 27, 2021 I too have suffered from tinnitus and its no joking matter. I would definitley advise you to get a stock exhaust back on there asap. The droning frequency must be exactly the correct tone to set your ear ringing off. Hearing loss is almost always asssociated with ringing in the ears. Get that Delkevic off and save your hearing. 1 Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 44 minutes ago, Garz747 said: I too have suffered from tinnitus and its no joking matter. I would definitley advise you to get a stock exhaust back on there asap. The droning frequency must be exactly the correct tone to set your ear ringing off. Hearing loss is almost always asssociated with ringing in the ears. Get that Delkevic off and save your hearing. I was about to order Delkevic's 14inch to replace mine. Dont you think thatll will be quiet enough and hopefully not cause as much vibation Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 Also, if I do go back to the stock exhaust do I have to do a ECU flash Link to comment Share on other sites More sharing options...
peteinpa Posted April 27, 2021 Share Posted April 27, 2021 11 minutes ago, warpedballer said: Also, if I do go back to the stock exhaust do I have to do a ECU flash Do you know if it was flashed for the pipe? Seriously the OEM pipe does not hold the bike back. Since you don't like the noise, you can probably find the OEM exhaust free. Even here. The stock flash is what holds bikes back today. Link to comment Share on other sites More sharing options...
warpedballer Posted April 27, 2021 Author Share Posted April 27, 2021 6 minutes ago, peteinpa said: Do you know if it was flashed for the pipe? Seriously the OEM pipe does not hold the bike back. Since you don't like the noise, you can probably find the OEM exhaust free. Even here. The stock flash is what holds bikes back today. I actually just messaged the seller.. he never flashed it. shit... now im worried if this thing has been running lean or something Link to comment Share on other sites More sharing options...
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