COBB MAF extension harness for 2015–2021 Subaru WRX provides a direct-fit extension of the mass airflow sensor wiring for those model years. Intended as an intake system component, it preserves sensor connection when relocating or modifying intake plumbing. The harness is a model-specific wiring solution that helps ensure reliable MAF signal continuity during intake upgrades or layout changes.
Cobb 15-21 Subaru WRX MAF Extension Harness