K & N Air Filter - KTM KT-1211 Rear Footpeg Relocation Bracket 2019-2023 Yamaha YZ 250 F

2019-2023 Yamaha YZ 250 F - - 2018-2022 Yamaha YZ 450 F

These valve stems come in a pack of 2 and include: 2 valve stems

Unfortunately by doing this the A/F ratio is thrown off by the extra "fresh air" in the exhaust stream

Graves Exhaust systems are designed for the elite driver seeking top of the line performance

in large part because of its unique internal venturi design of the inner filter High-flow K&N® Air Filter element ensures the maximum air intake and protection Slim profile keeps the unit away from the rider’s leg Formed stainless steel mesh insert Optimize overall performance Made in the U

K & N Air Filter - KTM KT-1211 Rear Footpeg Relocation Bracket 2019-2023 Yamaha YZ 250 FFits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Designed to provide increased performance Made in the U. S. A.