Trask Assault Charge High-Flow Air Cleaner For Harley Milwaukee 8 The Assault Series Hi-Flow Air Cleaner redefines design simplicity with a bold, clean look and innovative functionalities. Featuring a durable clear plexiglass cover and a hidden integrated breather system, it's designed to stand out. It's built on a platform of innovation, setting it apart with the unique Trask Snap in velocity stack. Performance-wise, it delivers as impressively as it looks, ensuring that it's not just an air cleaner, but a statement piece. Features: Billet aluminum backing plate Hidden integrated breather system Clear Plexiglass outer cover Velocity stack for improved air flow Dyno developed and tested Hi flow air filter Made in the USA