S&S Cycle Air Cleaner Kits — Harley-Davidson

S&S Cycle Stealth air cleaner kit with carbon fiber cover for Harley-Davidson, engineered to increase filter area and smooth airflow for measurable power gains. The high-strength synthetic polymer backplate reduces heat transfer to intake air, allowing cooler, denser air into the cylinders for improved combustion efficiency.

Features

• Carbon fiber cover — lightweight and corrosion-resistant
• High-strength synthetic polymer backplate reduces heat soak
• 38 percent increase in airflow versus stock
• Washable filter element
• 50-State legal and CARB EO# D-355-21 exempt
• Easy installation — no modifications required

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 170-0498B
• Weight: 2.3 lb
• Category: Air Intake Systems / Air Intake Components

Fitment

Fits Harley-Davidson models equipped with S&S Cycle Stealth air cleaner mounts. Verify your bike's intake system compatibility before ordering.

Frequently Asked Questions

Will this fit my stock Harley air cleaner?

No — this is a complete Stealth air cleaner system. It is not compatible with stock Harley filter boxes.

What is the high-flow filter option?

S&S Cycle also offers a 1-inch taller high-flow filter kit under part number 170-0127 for even greater airflow.

Do I need a tuner with this air cleaner?

A fuel tune is recommended to optimize performance with the increased airflow, though not strictly required for bolt-on operation.

Can I wash and reuse the filter?

Yes — the filter element is washable and reusable. Pre-filters are also available as optional upgrades.

Is this street legal?

Yes — 50-State legal and exempt from CARB emissions tampering regulations under EO# D-355-21.