

This means that all of the blow-by is able to condense in the can, including low-octane oil vapors and contaminated fuel vapors. Our catch cans are different from most air-oil-separator (AOS) systems on a few levels. And, like every Mishimoto baffled catch can system, this WRX catch can system includes the Mishimoto Lifetime Warranty! Durable plastic barb fittings provide connections between the hoses and catch cans. The hoses are designed to fit right onto the PCV valve ports and the turbo inlet ports. The WRX oil catch can system comes with six direct fit black hoses that will provide durable operation and provide a factory-like appearance after install. The system also includes two direct-fit mounting brackets that are extremely easy to install and also fit right hand drive vehicles!
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The turbo inlet side of the kit utilizes our 3-port baffled catch can to catch as much oil vapor as possible. The system uses both of our patent pending 2-Port Compact Baffled Catch Can and 3-Port Compact Baffled Catch Can, each with a 50-micron bronze filter and an internal baffle to better separate the oil from the crankcase vapors. This oil blow-by can work its way into your intake system, reducing the octane rating of your fuel and potentially causing detonation. The EJ25 in the STI is known for producing blow-by gases during both normal and severe driving, especially when boost levels are increased. The Mishimoto WRX oil catch can is designed and engineered to eliminate harmful blow-by vapors from re-entering your engine.
