K&N 21-23 Ducati Monster Plus 937 Replacement Air Filter 57NR

K&N 21-23 Ducati Monster Plus 937 Replacement Air Filter 57NRK&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.

What's in the box

It features an aFe Power design inspired by European vehicles

400 Rod Set Of 8

Torque Solution Thermal Throttle Body Gasket: Honda / Acura OBD2 B Series 70mm

Stone Grey Metallic

8-percent increase in core volume over the stock intercoolers

iDash Data Pro does what other gauges can't

0 +35 4-100 Mach Yellow

The layered DRYFLOW synthetic filter provides increased airflow and exceptional engine protection without requiring oil

By increasing static caster and improving front end geometry the new alloy mounts coupled with low compliance synthetic elastomer bushings serve to dramatically sharpen initial turn-in response and reduce understeer

brake fluid resistant sealed powder coat and feature Wilwood’s signature logo

Making up press tools & damaging arms are just two of the problems one can endure