Polisport's Air Box Covers are produced with exclusive technologies to make the part glossy, durable and with the same level of quality as the original plastics of the dirt bike. Direct bolt-on. Easy to install. Perfect fit on the indicated model and brand OEM style and shape AIRBOX COVER YAMAHA YZ250F 24-25 YZ450F 23-25 YZ250FX 25- YZ450FX 24-25 WR250F 25- WR450F 24-25