Filter Mounting Flange / Air Horn for Alpha 40 and 45mm throttle bodies.
Our own unique design allows the fitment of a custom filter backplate while retaining the benefits of an air horn inside the filter.
Requires 56mm hole to be cut in backplate
Manufactured in 90% rigid polyurethane for easy fit and long life.
Will only fit Alpha throttle bodies.
Requires 9990299800 band clip