aFe MagnumFLOW Pro 5R Air Filter 3-1/2in F x 5in B x 3-1/2in T x 6in H Plymouth Laser By understanding how the OEM

By understanding how the OEM shifter assembly functions

Iridium alloy has an extremely high melting point

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A switch built into the wiring allows a quick change from one mode to the other

The COBB Air/Oil Separator is placed within your Ford Focus ST's crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system

aFe MagnumFLOW Pro 5R Air Filter 3-1/2in F x 5in B x 3-1/2in T x 6in H Plymouth Laser By understanding how the OEMThis filter features five layers of pre oiled cotton gauze media to provide maximum performance. Its progressive layering allows the filter to flow at high levels even when dirty. This media is perfect for street and or track use. Pro 5R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil. aFe POWER performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing