Author Topic: Does FMF powercore require tuning?  (Read 313 times)

JAD

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Does FMF powercore require tuning?
« on: December 19, 2014, 07:10:12 pm »
I'm going to be putting a powercore muffler on my 690. I assume it wouldn't need tuning if a quiet insert is used. Does it require tuning to run it without a quiet insert?

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Rockitboy

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Re: Does FMF powercore require tuning?
« Reply #1 on: December 21, 2014, 03:29:15 am »
I have the Powercore on my 14' 690 & have not changed anything. No insert, just the spark arrestor. It runs great & sounds awesome.
Nut up or shut up!