Killer B Motorsport Coolant Breather Fitting Assembly 2015-2021 WRX | DBFAv2 GR Corolla_2023-2024 The vented design creates an

The vented design creates an aggressive motorsport look while helping improve airflow and heat evacuation during spirited driving and track use

Injen inspection badge allows you to check the condition of your air filter

So when you turn the steering wheel

Please note: This kit is a direct fit for your KillerB or Verus AOS system

sold in set of 2 pcs

Killer B Motorsport Coolant Breather Fitting Assembly 2015-2021 WRX | DBFAv2 GR Corolla_2023-2024 The vented design creates anKiller 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