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Old 06-29-2013, 08:39 AM   #18
smygolf
Just a Swede
 
Join Date: Oct 2012
Location: Sweden
Posts: 41
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In that case user operated is way better.

Is there any possibility to incorporate the 4000 rpm function?

Quote:
Originally Posted by JFP in PA View Post
No, the OEM system shuts the bypass valves (via vacuum), and prevents them from opening, between speeds of 17 and 29 MPH to meet the Swiss legal sound standards................
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