Fits the all new 2018-2019 Yamaha YZ450F, 2019 YZ450FX, 2019 WR450F
-Airflow is not affected
We offer a lifetime warranty on all of our guards. We stand behind our products to ensure that you have the best experience and customer service available. If at anytime you have damaged your guards, or are unhappy about the fitment of the guards, please contact us at email@example.com , or call us at 816-695-3784.