Cobb Air Filter Cleaning Kit - Blue - Universal PDM_clutches and produces better boost response

and produces better boost response and mid-range power delivery versus a conventional integrated wastegate downpipe

Nitrogen pressurised dampers

They've also been put to the test on-road

deformation and stress

Cobb Air Filter Cleaning Kit - Blue - Universal PDM_clutches and produces better boost responseBetter Air In, Better Power Out Starting With the Filter The Cobb High Flow Filter for the Subaru is the simplest airflow upgrade on the car a direct drop in replacement for the factory paper filter that flows more air with less restriction while still filtering down to the same particulate level. It's not the most dramatic upgrade on the shelf, but it's the one that takes 15 minutes, costs almost nothing relative to what it enables, and is the