hardy steve ArboristSite Operative Joined Jul 4, 2009 Messages 299 Reaction score 46 Location IL Dec 29, 2009 #1 What tips do you pros have to hop up my 290?I hear alot about a muffler mod.Thanks
pwoller ArboristSite Guru Joined Aug 17, 2009 Messages 808 Reaction score 235 Location Indiana Dec 29, 2009 #2 Hop it up in the chainsaw forum. 290's on nitrious would make poor milling saws.