Killer B GD AOS w/ Hoses 02-07 WRX & STI, 04-08 FXT ecu Send us a message at

Send us a message at info@vems

or 1V/25psi)

Shorter probe (from the 2mm only) is optional

only the 3 part compression fitting

Killer B GD AOS w/ Hoses 02-07 WRX & STI, 04-08 FXT ecu Send us a message atThe goal of this product is simple. To function as its Air Oil Separator description implies: the removal of oil, in liquid or vapor form, from the vented crankcase gasses. Simple in premise, but function wise theres a bit more to it. Varying oil droplet sizes, with differing pressure and velocity conditions. Different engines with varying venting characteristics or a street car vs a track or performance elevated engine. The variable list goes on,