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Old 02-12-2013, 05:58 PM   #2147
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Join Date: Jan 2005
Chapter/Region: NESIC
14 KTM SuperDuke R
16 Tacoma


Originally Posted by BradX978 View Post
Unfamiliar with this? Will this still be as effective for air flow when quiet as opposed to open? Any info threads on this so I can read up?
No it will definitely be more restrictive when it's closed compared to open. The cut out isn't designed to make noise, it's designed to reduce exhaust path, in turn increasing power. If you search there should be plenty of info on it.
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