Radium AOS-R KIT T REQUIRES 20-0255 - Subaru Models (inc. 2015-2021 WRX / STI / 2014-2018 Forester XT) PDM_diffusers-and-vortex-generators A great solution and alternative

A great solution and alternative to properly gap your spark plugs rather than having to bang the electrode on a hard surface

Fits: 2008-2021 Subaru WRX STI

and feature a fully adjustable damper that can be easily tuned for any track and weather conditions

Adhesive backing for simple installation

and the foundation for a sorted MK5 suspension build

Radium AOS-R KIT T REQUIRES 20-0255 - Subaru Models (inc. 2015-2021 WRX / STI / 2014-2018 Forester XT) PDM_diffusers-and-vortex-generators A great solution and alternativeRadium Engineering Air Oil Separator R Kit helps remove harmful oil contaminants from entering the intake on the Subaru WRX. RallySport Direct carries highly engineered products designed to improve the performance and longevity of your vehicle brought to you by Radium Engineering. This is the Radium Engineering Air Oil Separator R Kit. In high powered and modified Subaru engines, they tend to create excessive blow by with oil vapors and gasses. in