Great news – on this purchase, you'll enjoy a BuildBUX bonus of $1.64.
Killer 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 too restrictive.
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