Noble Dark V2 Roof Spoiler 2015-2021 Subaru WRX / STI - Gloss Black Wheel Bolt Pattern_6x114.3 as the factory Mass Airflow

as the factory Mass Airflow Sensor has already measured that air and is expecting that your motor will use it during combustion

The contents of the 20-0584 kit are shown below

we increased the tin content to 4

A one piece CNC machined 6061 aluminum adapter that insures the most direct path for unrestricted flow

you will also improve the shift throw by up to 40%

Noble Dark V2 Roof Spoiler 2015-2021 Subaru WRX / STI - Gloss Black Wheel Bolt Pattern_6x114.3 as the factory Mass AirflowNoble V2 Roof Spoiler (Gloss Black) Fitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI Features: Aggressive styling Mounts to rear window 3M provided for an easy installation This easy to install modification helps your vehicle stick out just a bit more. Roof spoilers can be used in conjunction with vortex generators and other trunk spoilers to further enhance how aggressive your vehicle appears. Installation Prep the application area and