Billetworkz Engine Bay Caps Zero Series Silver 2015-2026 Subaru WRX with Fluid Engraving | BW-EBCZ-SUB-VAWRX-SIL-E In-Line Modules This prevents water from descending

This prevents water from descending into the oil pan if ever present

Motor is suffocating

Intake manifold temperatures rise quickly and power output drops off even more quickly

making it perfect for both indoor and outdoor use

Billetworkz Engine Bay Caps Zero Series Silver 2015-2026 Subaru WRX with Fluid Engraving | BW-EBCZ-SUB-VAWRX-SIL-E In-Line Modules This prevents water from descendingThese caps are designed to be factory replacement caps, not covers. CNC machined from 6061 aluminum and anodized for a durable and vibrant finish. The internal fitting from the OEM caps must be reused with these caps. They pry out carefully with gentle pressure and then snap into place. 2015+ WRX includes: Oil Cap Wiper Fluid Cap Coolant Overflow Cap Brake Fluid Cap