Moroso Small Body Black Air Oil Separator Ford Focus ST 2013-2018 STI_2015-2021 5" KN Filter

5" KN Filter

0° and toe ±2

Walbro Fuel Pumps provide unmatched performance

Supports up to 1200hp and has four turbine A/R options

exhaust flange

Moroso Small Body Black Air Oil Separator Ford Focus ST 2013-2018 STI_2015-2021 5" KN FilterPart: # 85665 Two piece body unscrews for draining Available with a polished or black anodized finish Plumbed into a vehicle''s PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tract Vehicles from the factory vent these excess crankcase vapors, residual oil mist and moisture right back into the intake manifold which could cause detonation, oil deposits to form in the intake tract including