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