Killer B Motorsport Coolant Breather Fitting Assembly 2015-2021 WRX | DBFAv2 vendor_Tanabe • Made of billet and

• Made of billet and TIG welded 6061-T6 Aluminum

It is designed for the charge-air path between the intercooler outlet and the throttle body

SF Intake System

separate from rebound adjustment

Killer B Motorsport Coolant Breather Fitting Assembly 2015-2021 WRX | DBFAv2 vendor_Tanabe • Made of billet andKiller B is a company that likes solving problems. As some of you FA20 WRX enthusiasts have found, the OEM plastic breather coolant fitting can start to leak over time, or worse, break when you're trying to remove replace lines during a build or an AOS install. So, in typical Killer B fashion, they have designed a no fail, no leak part. They've put their own performance spin on it as well, opening up the breather port, as the factory plastic piece is