Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CRF450R (2021) – Pre-Oiled Replacement Filter for PowerFlow Kit(OEM Part # 17213-KZL-J01) Circular and general debris around the

and general debris around the yard or jobsite

and adjustable snapback closure

The K550's advanced tread design features

Designed with the specific needs of 125

Twin Air Dual Stage Foam Air Filter for Honda Dirt Bikes – Fits CRF450R (2021) – Pre-Oiled Replacement Filter for PowerFlow Kit(OEM Part # 17213-KZL-J01) Circular and general debris around theThe Twin Air 150231FRX is a pre oiled dual stage foam air filter designed as a direct replacement for the PowerFlow Kit (150231C) on Honda CRF450R (2021) models. Engineered for high performance motocross and off road riding, this filter eliminates the restrictive stock backfire screen and delivers superior airflow, dust filtration, and engine protection. Washable and reusable, its race ready and built for rugged terrain.