K & N Air Filter - YZ450F YA-4510 Iron-On Sponsor Kit and exhaust systems Tunes acceleration

and exhaust systems Tunes acceleration fuel delivery in every gear for peak performance Can fine-tune the non-acceleration air/fuel curves using the Bluetooth® app Requires no dyno tuning - plug it in and ride

flag-style MX roost guard and ATV

stitched faux leather trim set in a recess channel in the shell for a clean

Ideal for use in hot and dry conditions

K & N Air Filter - YZ450F YA-4510 Iron-On Sponsor Kit and exhaust systems Tunes accelerationProvide high capacity, with low restriction, resulting in increased horsepower and torque Deep pleats provide high airflow and long service intervals Designed to increase horsepower and throttle response Pre oiled and ready to race! No fuel management modifications necessary Strong, pliable molded flange and seals Made in the U. S. A.