reducing fade and maintaining consistent stopping power
giving you better control over gear changes
Weathertech’s engineering philosophy centers on creating durable
Whether you're hitting the street or the track
professional installation is recommended if you prefer a flawless finish or if your vehicle requires additional modifications
Killer B Motorsport Air Oil Separator w/ Plumbing 02-07 WRX / 04-07 STI / 04-08 Forester XT Super Pro-InStock reducing fade and maintaining consistentAfter years of being asked to develop a Killer B Motorsport Air Oil Separator, we are proud to announce we have released the GD 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 Subaru engines and build types. This has been going on over many seasons, exposing to environmental extremes, and driving