Power Loss When Reving Aftermarket Muffler

markt111

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all Yamahas
Well with the Viper now being the wifes sled and/or spare sled I have removed the Straightline muffler and put the OEM back on so it nice and quiet for her..

The question I have is what type of power loss will I see? When I put it on I did header, muffler, power commander and air box mnod which made a huge difference, I add to add a lot of weight to the clutches to bring the RPMs back down. all other mods remain so I think/hope most of the power gain will still be there.

anyone looking for a ceramic coated Straight-line muffler, it sounds great to me but the wife likes a real quiet sled for her two rides a year!!
 


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