FMF Q4 Hex Slip-On Muffler CRF450R 2021-2023 041601 1821-2042 Progression Jacket metal eyelets and contrast dipped

metal eyelets and contrast dipped drawcord tips

oversized K&N high flow air filter equals longer life

Almost every component of the Supertech R Boot

In cooperation with several Yamaha teams and riders Twin Air has developed a new Airbox Kit for the Yamaha YZ250F/450FKit creates more open space within the airbox to optimize the airflow into the engine

0 does not require modification to stock components

FMF Q4 Hex Slip-On Muffler CRF450R 2021-2023 041601 1821-2042 Progression Jacket metal eyelets and contrast dippedLess sound equals more ground Meets FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off road endurance Made in the U. S. A.