GPR Exhaust Trioval Slip On for Yamaha YZF R6 2003 to 2005 Muffler with:dB Killer Link Pipe Make Model Year KTM EXC Options:C AM (ESR540) Make Model Year KTM EXC 250 TPI 2018 KTM EXC 250 TPI 2019 KTM EXC 300 TPI 2018 KTM EXC 300 TPI 2019 KTM EXC F 250 2017 KTM EXC F 250 2018 KTM EXC F 250 2019 KTM EXC F 350 2017 KTM EXC F 350 2018 KTM EXC F 350 2019 KTM EXC F 450 2017 KTM EXC F 450 2018 KTM EXC F 450 2019 KTM EXC F 500 2017 KTM EXC F 500 2018 KTM EXC F 500 2019 KTM SX F 250 2016 KTM SX F 250 2017 KTM SX F 250 2018 KTM SX F 350 2016 KTM SX F 350 2017 KTM SX F 350 2018 KTM SX F 450 2016 KTM SX F 450 2017 KTM SX F 450 2018 Incorporated into the design of all BARKBUSTERS® products are style This kit is homologated for noise only and a homologation code on each silencer