MBRP 09-17 Arctic Cat 500 / 09-15 Arctic Cat 550 Slip-On Exhaust System w/Sport MufflerMBRP's ATV performance muffler. A true performance exhausts sound, maximum flow while keeping similar characteristics of our sport and utility series, while delivering a clean and crisp sound. This Part Fits: Year Make Model Submodel 2010 2011 Arctic Cat 1000 EFI H2 4x4 Auto Mud Pro Base 2009 2011 Arctic Cat 1000 TRV Cruiser Base 2013 2017 Arctic Cat 1000 XT Base 2012 Arctic Cat 1000i GT Base 2006 2007 Arctic Cat 400 4x4 Base 2006 2008 Arctic Cat 400