17 turbo looking at stage two upgrade. Who should I go with? Best for money by RR | Dec 22, 2017 | RZR XP Turbo | 0 comments Looking to do a stage two upgrade on my 17 turbo. Which is all stock other than a stock muffler cat gut. Thanks guys Sent from my iPhone using RZRForums.net Utah RZR Rentalswhence Submit a Comment Cancel replyYou must be logged in to post a comment.