Mods Going In Soon, What To Expect??

markt111

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Topsfield, Ma
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Snowmobile
all Yamahas
I picked up a Straightline Performance Header, Muffler and PCV at the end of last year (great deal) I am going to start the install next week.

in reality what type of gains should I expect? are there gains at all RPM ranges? Top end?
 
Thing I noticed most was it became very easy to break the track loose and power slide around corners and a little gain on top speed with much more consistency. Saw my top end more often!
 
Thanks, I figured it would be better in the low to mid and I am hoping for some top end, seems to stop at around 90ish
 


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