Honda CRF450R / RX 2017–2020 Yoshimura RS-9T Full Exhaust System Selector Rods had a separate air duct

had a separate air duct for the side jets

Cylinder material: Cast iron

decrease lateral wear

but fate comes along more often than you would like to on the big tour and decides that the shaft seal

New RS-9T dual mufflers have more volume than stock to provide a decrease in overall dB noise level

Honda CRF450R / RX 2017–2020 Yoshimura RS-9T Full Exhaust System Selector Rods had a separate air ductHonda CRF450R RX 2017 2020 Yoshimura RS 9T Full Exhaust System The CRF450R's new engine and muffler configuration gave us the opportunity to create an entirely new system built specifically for the new CRF450 machines. Introducing our all new Signature Series RS 9T tapered dual muffler exhaust system for the all new CRF450R. Yoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass