Honda CRF250X & CRF450X Airbox Mod

If you own a Honda CRF 250X or a Honda CRF450X you know that your stock airbox restricts airflow greatly. One way to get around that limited airflow is you can complete an airbox modification and open up the airflow to your engine for significant power gains. Jay Clark walks you through the proper way to do this modification and open up the airflow to your motorcycle. We also provi