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my98mugen

Anybody know the DB level of stock exhaust with a HRC tip

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Anybody know the DB level of stock exhaust with a HRC tip.

gonna get tested tomorrow at the gorman quailifier and wanna make sure its gonna pass.

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Oh, you might want to do a search in the forums for this, because I've seen this question answered before.

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Those db levels with the hrc tip = shop rag stuck somewhere in the can!

Thanks, that was helpful. Mine has been tested twice at Hollister hills by the rangers and test 94 db both times. Thats with the stock exhaust , HRC tip and no rag in the pipe. If you check link above, you will see that the HRC tip routinely tests at or below the 96 db limit.

Check this thread if you want to see a previous 'discussion' about the HRC tips sound level. http://www.thumpertalk.com/forum/showthread.php?t=242842&highlight=hrc%2A

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I checked the link above. I am not sure if 1 listing for an XR650R with the HRC tip at 97 dbs qualifies as routinely passes. Just my 2 cents.

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