AutoMeter 52mm Ultra-Lite Air Locker Pressure, 0-150 PSI (4330) Matrix Concepts Its secure retention system

Its secure retention system

The OEM headers restrict air flow resulting in loss of power and efficiency

new HKS couplers and install hardware

6AN fittings

Driveshaft Shop Level 0 front axles for the 2004 Subaru STi and 2004-2007 Subaru WRX models

AutoMeter 52mm Ultra-Lite Air Locker Pressure, 0-150 PSI (4330) Matrix Concepts Its secure retention systemAutoMeter's precision mechanical Air Locker gauge allows drivers to monitor onboard vehicle air used to actuate locking differentials. Features race proven mechanical accuracy with incandescent lighting and simple installation. Features: Traditional incandescent lighting illuminates around the perimeter of the dial Race proven mechanical instruments provide trusted accuracy Simple to install with no electrical system required Mechanical movements