Thread: How to get more Growl from my Eisenmann Race?
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      10-26-2016, 09:48 PM   #14
TheHouseWon
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Drives: 2013 M5
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Quote:
Originally Posted by doughboy650gc View Post
maybe cut resonators off and put exhaust valve in the open pos. permanently?
E-Race doesn't have valves, only the Sport mufflers do
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