The improved CDI Box will drive your machine faster than ever! Ready to plug in and go Additional 1,000+ RPMs over stock Stronger spark energy for easier start ÿAdditonal Fitment:2008-2009 KTM 525 XC2008-2010 POLARIS OUTLAW 4502008-2009 KTM 450 XC2007-2010 POLARIS OUTLAW 525