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Old 03-28-2013, 02:24 PM   #1
drdave_2006 OP
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Joined: Jul 2005
Location: Geraldton Western Australia
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db killer

Hi. Has anyone had any experience with these db killers. http://www.jpcycles.com/product/443-596. Thanks
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Old 03-28-2013, 04:09 PM   #2
MODNROD
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I haven't used those particular dB killers.
They seem to work on overcoming spring tension when the exhaust airflow increases at higher revs/throttle, is that it?

If that is the case, I have an Apex'i insert in the exhaust tip of my Supra TT, and the difference is remarkable. At idle it is now quieter than the family 2002 Commode, but at full noise it hasn't lost any power that I can notice/measure.

So obviously they can work if done right.
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Old 03-28-2013, 04:30 PM   #3
PBee
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They look a bit big, I dunno where you would put 'em on the average dirt bike.

I like the idea though.
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Old 04-05-2013, 05:16 AM   #4
chrisamberely
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Those things are for use on strait thru drag pipes. Had these on a big v twin drag bike I had back in the U.S.
I don't think they are meant for running in dirt bikes of any sort.
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