Perrin Firewall Grommet (ASM-GAU-120) | Subaru WRX 2015-2021 / STI | ASM-GAU-120 2015-2021

The Perrin Firewall Grommet provides a clean, sealed pass-through for wiring or vacuum lines when adding gauges or accessories to 2015–2021 WRX and STI models.

KEY FEATURES

• Multi-port firewall grommet designed for aftermarket wiring
• Helps maintain cabin seal against noise, dust, and moisture
• Organizes gauge wires, sensor leads, or boost lines
• Durable rubber construction for long-term flexibility
• Sized specifically for VA WRX/STI firewall openings

VEHICLE FITMENT

• Subaru WRX (2015–2021)
• Subaru STI (2015–2021)

Perrin products are engineered for precision Subaru performance and long-term reliability.