The STM MAF extension harness for 2015-2021 Subaru WRX is needed to install most aftermarket intakes to extend the factory wiring for a proper fit. This is a 16" extension, making the harness 19" overall. Direct plug and play with a protective loom around the wires.

Vehicle Fitment:
2015-2021 Subaru WRX

Features:
• Direct Plug & Play
• 19" Long
• High Quality Wire
• Protective Loom

Purchase Includes:
(1) Harness