Question about which muffler is used on kooks duals
04-10-2016, 10:39 AM
#2
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Install cut outs and leave them open. It'll be almost as loud as kooks
04-10-2016, 04:05 PM
#4
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FWIW I cut the kooks mufflers off and replaced with flow master DBX. No change in sound quality or tone. Just dropped sound down a good bit