Cobb Tuning Air Oil Separator (AOS)Ford Focus ST LZ 13-18 1999-saturn-sw1-esi9899263 · Vented to allow expansion

· Vented to allow expansion and contraction of fluid while maintaining a tight seal

and performance software

this bespoke filter is engineered to enhance airflow and filtration

Year Make Model Submodel 2016-2018 Audi TTS Quattro Base 2019-2021 Volkswagen Arteon SE 2022-2023 Volkswagen Arteon SE R-Line 2019-2020 Volkswagen Arteon SEL 2019-2023 Volkswagen Arteon SEL Premium R-Line 2019-2023 Volkswagen Arteon SEL R-Line 2015-2019 Volkswagen Golf R Base 2015-2019 Volkswagen GTI Autobahn 2019 Volkswagen GTI Rabbit Edition 2015-2019 Volkswagen GTI S 2015-2019 Volkswagen GTI SE 2017 Volkswagen GTI Sport 2018-2023 Volkswagen Tiguan S 2018-2023 Volkswagen Tiguan SE 2020-2023 Volkswagen Tiguan SE R-Line Black 2018-2021 Volkswagen Tiguan SEL 2018-2019 Volkswagen Tiguan SEL Premium 2019-2021 Volkswagen Tiguan SEL Premium R-Line 2019

and improves both form and function

Cobb Tuning Air Oil Separator (AOS)Ford Focus ST LZ 13-18 1999-saturn-sw1-esi9899263 · Vented to allow expansionDESCRIPTION The COBB Air Oil Separator is placed within your Ford Focus ST'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