Having strange issues with your car after installing an aftermarket intake on your 2015+ WRX or Forester XT? First thing to do is check the Mass Air Flow Sensor (MAF) for corrosion.


iWire's upgraded MAF Extension harness utilizes high quality Tefzel wire and Raychem DR-25 heat shrink to ensure the extension harness can withstand the harshest enviornments and provide the most accurate signal to the engine computer as possible.

MAF Extension Harness