Cobb Tuning Air Oil Separator (AOS)Ford Focus RS LZ 16-17 Subaru-BRZ-2015 The system has 2 full

The system has 2 full Tail Pipes (Not a single tail pipe with dual tips) with single 4" round bright chrome on T-304 stainless steel tips on each tail pipe

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

System includes flow plate to eliminate check engine light that may be caused by the increase of airflow of the BORLA® system

this system features a carbon fiber tube that promotes smoother airflow

Cobb Tuning Air Oil Separator (AOS)Ford Focus RS LZ 16-17 Subaru-BRZ-2015 The system has 2 fullDESCRIPTION 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