Exedy OE 2002-2004 Subaru Impreza H4 Master Cylinder Interior Accessories>Shift Knobs the controllers for the AFM/

the controllers for the AFM/ DFM valves in the exhaust system should be RE-CALIBRATED according to GM Document ID 5406413

The standard high-flow filter element is replaceable and available at most auto parts stores so you aren't stuck if you need to replace it during a race

This allows for maximum flow

Skunk2's high-quality Spring Bases for Honda's K-series engines are designed to allow any K-series cylinder head originally equipped with single valve springs to accept higher-performance

Exedy OE 2002-2004 Subaru Impreza H4 Master Cylinder Interior Accessories>Shift Knobs the controllers for the AFM/Exedy OE 2002 2004 Subaru Impreza H4 Master Cylinder