Great product and best price out there!!!
I was looking around for the extension harness for a while before I found this one, by far best choice I made. I will be doing more business!!!

Key Features & Specs:
Fitment:
The Perrin MAF Extension Harness is designed for 2015-2021 Subaru WRX applications using the Perrin PSP-INT-325 intake setup. This 12-inch extension harness helps relocate or extend the MAF sensor connection while maintaining a clean plug-in installation with factory-style connectors. Built for proper sensor positioning and reliable signal transfer, it is a simple supporting component for WRX intake installs that require extra MAF wiring length.