Thread: Need ideas for quieter exhaust sound
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      08-27-2018, 11:40 AM   #7
AriuSen
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Quote:
Originally Posted by ///Mcoupe View Post
Varex mufflers have a built in valve , you could even open it at certain Rpm or speed .
Thanks. will look into it.
I bet they wont have a muffler as small as RPI thought to clear my diffuser.
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