Heard Rumblings that USA is Going to go just like UK where If the Exhaust is Modified in any manner that is Not Legal Not Only
Will You Be Fined , but the Sell of said Product is going to be Fined for Selling to Non-Racer !
so I last heard that Yellow Stone Lays Out Heavy Fines to Snowmobile Rider If Their Machine isn't have Convertor on It , and Don't Care If it's Old or New !