Cobb Tuning Air Oil Separator (AOS)Ford Focus RS LZ 16-17 Subaru-BRZ-2015 Year Make Model Submodel 2000-2004

Year Make Model Submodel 2000-2004 Toyota Celica GTS

Compatible with 10 and 14 gallon RA-Series fuel cells only

using sub-standard manufacturing techniques

The entire housing was developed in 3D and ensures a hassle-free installation

Compatible with 2nd generation B58TU engines only (B58B30O1/B58B30M1)

Cobb Tuning Air Oil Separator (AOS)Ford Focus RS LZ 16-17 Subaru-BRZ-2015 Year Make Model Submodel 2000-2004DESCRIPTION The COBB Air Oil Separator is placed within your Ford RS's crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system. The COBB Air Oil Separator is of our own design and has been in the works for years, making tweaks and updates to ensure that it is a seamless installation, clears any third party emissions, an is the perfect upgrade to your engine. Ford's EcoBoost engine doesn't have a great