S&S Cycle Stealth Air Cleaner Kit - Harley-Davidson
About S&S Cycle
S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.
Unlock significant performance gains for your Harley-Davidson with the S&S Cycle Stealth Air Cleaner kit. Engineered with a high-strength synthetic polymer backplate, this system is designed to reduce intake air temperature and dramatically increase airflow. Experience a noticeable boost in power and throttle response while remaining compliant.
Why riders pick this
- Reduces intake air temperature with polymer backplate
- 38% more airflow than factory air cleaners
- Washable and reusable filter element
- Easy, direct bolt-on installation
- Compliant for all 50 states
The S&S Cycle Stealth air cleaner kit for Harley-Davidson is more than just a filter; it's a complete intake system engineered for performance. The advanced synthetic polymer backplate minimizes heat transfer to the intake air, ensuring your engine receives cooler, denser air for more efficient combustion. This design, combined with an enlarged filter area, delivers a substantial increase in airflow over stock, providing a solid foundation for further performance upgrades.
Advanced Engineering for Optimal Performance
- High-strength synthetic polymer backplate reduces heat soak
- Delivers a 38 percent increase in airflow over stock Harley air cleaners
- Features a washable and reusable filter element for long-term economy
- Designed for easy, direct installation without requiring modifications
- Compliant for use in all 50 states
The Foundation for Power
Installing an S&S Cycle Stealth air cleaner is a crucial first step for any Harley rider looking to enhance their bike's performance. The increased airflow and cooler intake temperatures lay the groundwork for a more responsive engine, especially when paired with an exhaust system and a proper dyno tune. This kit provides a clean, efficient aesthetic that complements any custom build.
Specifications
- Brand: S&S Cycle
- Manufacturer Part #: 170-0354C
- Weight: 1.7 lb
- Category: Air Intake Systems / Air Intake Components
Common questions
Will this air cleaner require a fuel tune for my Harley?
With a 38% increase in airflow, a fuel management adjustment is highly recommended to ensure your engine runs optimally and safely, preventing lean conditions and maximizing power output.
Is this a complete air cleaner kit or just a filter?
This is a complete S&S Cycle Stealth air cleaner kit, including the backplate, filter element, and all necessary hardware for installation onto your Harley-Davidson.
How does this air cleaner improve performance?
The S&S Stealth air cleaner improves performance by increasing the volume of cool, dense air entering your engine, which leads to more efficient combustion and a measurable increase in horsepower and torque.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | S&S Cycle |
| TYPE | Air Intake Components |
| SKU | T14-661688 |
| WEIGHT | 1.7 lb |
