S&S Cycle Air Cleaner Kits — 2017-2020 Harley-Davidson

S&S Cycle Tuned Induction Air Cleaner for 2017-2020 Harley-Davidson, featuring dual high-flow cotton-media filters and laser-cut intake tubes engineered for maximum airflow. Delivers 44% more flow than stock while remaining CARB-compliant and street-legal.

Features

• High-flow washable cotton-media filter elements
• Dual intake tubes with tuned lengths for performance
• 44% increase in airflow over stock system
• More than twice the filtering area of factory unit
• CARB EO# D-355-55 exempt from emissions tampering regulations
• Bolt-on installation

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 170-0565A
• Category: Air Intake Systems / Air Intake Components
• Weight: 4.5 lb

Fitment

Fits 2017-2020 Harley-Davidson models.

Frequently Asked Questions

Will this fit my 2021+ Harley?

No — this kit is engineered for 2017-2020 model years only. S&S offers different air cleaner designs for newer bikes.

Do I need a tuner with this air cleaner?

A fuel map adjustment may optimize performance, but the kit is bolt-on compatible with stock ECU settings.

Are the filter elements reusable?

Yes — the washable cotton-media filters can be cleaned and re-oiled rather than replaced, saving money over time.

Is it street legal?

Yes. This configuration holds CARB EO# D-355-55 exemption, making it compliant in all 50 states.

How much airflow improvement will I see?

The tuned intake design delivers 44% more airflow compared to the stock restrictive factory air box.