K&N Replacement Air Filter Thunderbird 1600/1700 '10–'13 S3-Size-48 The W-36S model is designed

The W-36S model is designed to be positioned on our lifts

Emergency quick release cheek pads

Available in regular length (SU54) or short version (SU57)

UNU-4134ST

K&N Replacement Air Filter Thunderbird 1600/1700 '10–'13 S3-Size-48 The W-36S model is designedK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. Features: Designed to provide increased horsepower and torque. Pleated media provides a large filtration area, offering long service intervals. Multiple