OLM Wide Angle Convex Mirrors with Defrosters (Blue) - 2015+ WRX / 2015+ STI pdm_gauges then you want to add

then you want to add more washers to keep the BOV from opening too soon from not having the spring tight enough

Side harness slots & Anti-Submarine slot

Creates more space for engine work

YOU WILL NEED THESE PIPES IF YOU HAVE THE ETS FMIC CORE

OLM Wide Angle Convex Mirrors with Defrosters (Blue) - 2015+ WRX / 2015+ STI pdm_gauges then you want to addOLM Wide Angle Convex Mirrors With Defrosters Tired of the blind spot in your WRX or STI? OLM wide angle mirrors are are a convex lens (600R). With the mirror installed, you will gain approx. 30 40% vision so say goodbye to the blind spot all while retaining the heated mirror function! Features Direct replacement for stock mirror increase 30 40% view Eliminates blind spots Integrated turn signals increase awareness of vehicles around yo