This is a complete...FMF Exhaust system for a Yamaha 350 Raptor 4-Wheeler.....Years 2013 and up....This system came off of a 2014...Includes all you see in the pix...it is the "Factory 4.1" as you can see from the pix...includes mid pipe and the Powerbomb Header....installation parts are in the plastic bag that you see in the pix....Also included is the factory Exhaust system ...However if you don't want the factory system that is fine...If you have any questions please let me know...Thank you..