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04-19 STI 6 Speed
The Lost Wax process was used to eliminate cracking from welded weak points and for aiding smoother exhaust gas flow without any interference
12V & GND Flying Leads
3/8 NPT (Aluminium or Steel Mounting Bosses to suit)
5mm thick pipes made from SUS304 stainless steel
Killer B Motorsport Air Oil Separator WRX & FXT FA20 Mounts 04-19 STI 6 SpeedAfter years of being asked to develop a Killer B Motorsport Air Oil Separator, we are proud to announce we have released the FA20 WRX Air Oil Separator. This is a product weve been asked to develop for many years, and in that time there has been a lot of research, engineering, simulations, development, testing, (and repeat), with several different Subaru engines and build types, including stock engines. This process has occurred within many different
