Product Description
Velocity stacks optimize the flow of drawn-in air to the carburetor by allowing a smooth transition. With this airflow optimization benefits throughout the rev range and therefore increases performance. Can be used either completely open for maximum air passage or combined with the included mesh insert.
42mm inner diameter
Length: 80mm, Outer Diameter 65mm.
Tech Tips:
- With this open filter you will need to re-jet the carburetor with a larger main jet. More air will need more fuel.
- No or little filter material can draw in fine particles that will run through the engine. Recommended for road race use.