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some numbers for ya,dyno

rtx moose

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Joined
Jul 31, 2014
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1,141
Age
52
Location
WATERTOWN,MN
Country
USA
Snowmobile
2017 sidewinder LTX LE,2007 RTX,2000 SRX700
upload_2016-10-6_15-25-35.png
 

AMAZING,WHAT JUST AN AFTERMARKET MUFFLER DOES TO THESE ROCKETS
 

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SPEEDWORKS MUFFLER,


The 10+% increase in airflow was combined with stock

fuel flow and higher boost pressure to increase HP by 24-25!

TEMPERATURE MAKES A DIFFERENCE TOO..THE EVO DYNO WAS DONE AT UNREALISTIC SUMMER TEMPS..LEARNED ALSO THAT ETHANOL VS NON ETHANOL..ETHANOL PRODUCES MORE HP
 
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ok, good info here...but man, theres a lot of thundercats out there..
 
Mcx got 192 on a stock SW.
 
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dont get all caught up in dyno numbers, lots of variables and the operator can effect the outcome....an exhaust will make 15-20 hp. the heat soaking is interesting though
 
SPEEDWORKS MUFFLER,


The 10+% increase in airflow was combined with stock

fuel flow and higher boost pressure to increase HP by 24-25!

TEMPERATURE MAKES A DIFFERENCE TOO..THE EVO DYNO WAS DONE AT UNREALISTIC SUMMER TEMPS..LEARNED ALSO THAT ETHANOL VS NON ETHANOL..ETHANOL PRODUCES MORE HP


Correction factor.
 


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