Big Sucker™ Stage 1 Air Cleaner For Milwaukee-Eight®The new Big Sucker Stage 1 performance intake for Milwaukee Eight (M8) engines adds new features to the original industry leading air cleaner. The new patent pending hidden breather system is o ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes Increases Horsepower & Torque Eliminates Oil Blow bye Issues Associated with M8 Engines Black Pre Oiled High Performance