Thumbnail Filmstrip of Joe-Blo Big & Ugly BAU Air Filter Billet inserts 4 Sizes sold each Images
These fit Big and Ugly only --- sold each -
These filters simply fit in behind the butterfly and secure with a bolt into an existing hole in the butterfly frame.
They are not visible when the butterflies are closed.
Available in Enderle sizes, 3 11/16", 4 3/8" 5" and 5-9/16"
The mesh is stainless steel and has a .040" square orifice.
JoeBlo Joe Blo Joe-blo