Turbinecore 2 Muffler On Off 525 XC : 1999 2001 2002 1997 2005 2006 2007 1998 2000 2003 2004 Copper 525 XC : 1999 2001 2002 1997 2005 2006 2007 1998 2000 2003 2004 2009 Polaris Indy 800 CFI 2008 Polaris Indy 700 RMK 2006 Polaris RMK 900 w 159" Track 2019 Arctic Cat ZR 6000 Sno Pro w 129" Track 2016 Arctic Cat ZR 6000 2003 Polaris Indy Sport 340 2010 Polaris Rush 800 Pro R ES 2011 Polaris Pro X 120 2007 Polaris Indy RMK Trail 2020 Arctic Cat Bearcat 2000 XT w 154" Track 2010 Polaris WideTrak LX 500 2003 Polaris Frontier Classic 2013 Polaris 600 IQ WideTrak 2012 Arctic Cat T570 2013 Polaris Rush 800 Pro X 1 Product Name: Silencer durability and most importantly