GPR Exhaust Powercone Evo Full Line for KTM Supermoto 690 2007 to 2009 Muffler with:dB Killer Make Model Year KTM EXC K 225687 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 Sold complete with new “O” rings or sending the sales receipt from the physical or online store In case of a problem during installation