Lengthened intake runners for increased air velocity and volume; one-piece design for easier installation; high-flow washable 2.5” filter; flow-bench developed and dyno tested.
Designed to increase air velocity and volume through lengthened intake runners for balanced dynamic flow. 🔧💨
One-piece construction creates a clean appearance and simplifies installation compared with multi-stack assemblies.
High-flow, precision-machined velocity stack with an optimized opening diameter, outer lip and internal taper improves airflow delivery.
Includes a high-flow, washable and reusable 2.5” wide filter housed in a one-piece cage for consistent filtration and easy service.
The backing plate is engraved with Made in the USA and factory logos for authenticity. 🛠️
Developed on the flow bench, dyno tested and track proven for noticeable horsepower and torque gains, especially on engines with modified heads, intakes or larger throttle bodies.
Out of the box, it is set up with OEM-style cylinder head breathing and optimized vent hole locations to meet emissions standards, with external race-only venting available separately. 🏁
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Street Glide 117 | Touring | 2024 | |
| Harley Davidson | Street Glide CVO 121 | CVO | 2023 | |
| Harley Davidson | Street Glide CVO 121 | CVO | 2024 | |
| Harley Davidson | Street Glide CVO 121 | CVO | 2025 | |
| Harley Davidson | Street Glide Ultra 121 | Touring | 2025 | |
| Harley Davidson | Road Glide CVO 121 | CVO | 2023 | |
| Harley Davidson | Road Glide CVO 121 | CVO | 2024 | |
| Harley Davidson | Road Glide CVO 121 | CVO | 2025 | |
| Harley Davidson | Road Glide ST CVO 121 | CVO | 2024 | |
| Harley Davidson | Road Glide ST CVO 121 | CVO | 2025 |
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