STM MAF Extension Harness for 2015-2021 WRX Stoptech Each Supercore and each Exhaust

Each Supercore and each Exhaust Housing Kit will be different depending on your selected options

Previous Motul Part Numbers:

5i (EJ253) and JDM Version 8/9 (EJ207) STi intake manifolds are a great solution

making shifting precision more critical

(1) Titanium Exhaust System

STM MAF Extension Harness for 2015-2021 WRX Stoptech Each Supercore and each ExhaustThe 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 See more STM Products