STM MAF Extension Harness for 2015-2021 WRX Discount These have a braided inner

These have a braided inner liner which protects the bellows from premature failure and is ideal for eliminating exhaust "whistle"

The STM 1G DSM fuel pressure regulator kit includes all fittings

• Also used to delete the AC

The profile will work fine on the OEM Rocker Arm and the Zero-tick lifter or with the OEM lifter

(2) Titanium Exhaust Tips

STM MAF Extension Harness for 2015-2021 WRX Discount These have a braided innerThe 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