Extra strong sheet steel Untreated surface Wide, even engine speed range Higher speed More traction Better gas control Uncompromising race look Combination with FMF silencer recommended MATERIAL Stainless steel   SURFACE Natural/untreated   PLEASE CONTACT THE SELLER WITH ANY QUESTIONS. NO RETURNS FIST ON: 250 SX 2017 250 XC 2017 250 SX 2018 250 SX 2017 250 XC 2017 250 SX 2018 250 XC 2018 300 XC 2017 300 XC 2017 300 XC 2018 250 XC-W 2017 250 EXC Six Days 2017 250 EXC 2017 250 EXC TPI SIX DAYS 2018 250 EXC TPI 2018 250 EXC Six Days TPI 2019 250 EXC TPI 2019 250 EXC 2017 250 EXC 2018 250 EXC TPI 2018 250 XC-W 2017 250 XC-W 2018 250 XC-W TPI 2018 250 XC-W 2019 250 XC-W TPI 2019 300 XC-W Six Days 2017 300 XC-W 2017 300 EXC Six Days 2017 300 EXC 2017 300 EXC TPI SIX DAYS 2018 300 EXC TPI 2018 300 EXC Six Days TPI 2019 300 EXC TPI 2019 300 EXC 2017 300 EXC 2018 300 EXC Six Days 2019 300 EXC 2019 300 EXC 2017 300 EXC 2018 300 EXC TPI 2018 300 XC-W Six Days 2017 300 XC-W 2017 300 XC-W SIX DAYS 2018 300 XC-W 2018 300 EXC TPI 2018 300 XC-W TPI Six Days 2019 300 XC-W TPI 2019