K&N Drop In Replacement Air Filter for the GR Corolla Grappler A “Supersonic” valve vents 100%

A “Supersonic” valve vents 100% of the compressed air charge into the atmosphere

Quality materials and a comprehensive design make Rally Armor mud flaps a necessary investment

With a +15mm offset

The inlet flange was cut with slots for an easy adjustment of the tips on any lifted or stock crosstrek

K&N Drop In Replacement Air Filter for the GR Corolla Grappler A “Supersonic” valve vents 100%Unleash performance and save money over time with K&N's washable, reusable High Flow Drop in Air Filters. Designed to fit in the factory airbox like OE! K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire