GPR Exhaust Pentacross Inox Full Line for KTM XC F 250 2016 to 2018 Muffler with:dB Killer Spark Arrestor Fits directly into the front Black Replacement Chain Guard Fits directly into the front brake caliper of modern KTM Husqvarna bikes EXC Racing 2000 2005 400 LC4 enduro 1993 1996 400 M4 Motard (Street version) 2007 2009 400 RR 2005 2009 400 RR 2010 2012 400 RR 4T 2013 2016 400 SX 1999 2002 440 SX 1994 1994 450 EXC R 2016 2016 450 EXC Racing 2003 2011 450 EXC Racing & 450 XC G Racing 2007 2012 450 EXC F 2017 2023 450 EXC F 2013 2015 450 EXC F 2016 2016 450 EXC F Factory Edition 2010 2011 450 EXC F significant reduction in weight It is recommended to read the instructions in the package or the tutorials visible on www