Ducati ST4s Replacement Air Filters
Buy now from K&N's Online Store and get a 100% money back guarantee on any Ducati ST4s air filter!
- Designed to Increase Horsepower and Acceleration
- High Air Flow with Excellent Filtration
- Top Performance Accessory for Ducati ST4s Models
- K&N Million Mile Limited Warranty®
Order your K&N replacement air filter Factory Direct today! Help your Ducati ST4s run better. Fast and FREE SHIPPING with any Ducati ST4s air filter
Search By Vehicle
Search By Dimension
The item you added to cart DOES NOT FIT your
This item fits your