Now your turn signal lights actually able to shine through which make it more visible to other drivers that may be behind you or in your blind spot areaLet people know when youre wanting to make a turn or getting into the next lane with the OLM Light Tunnel Turn Signal Indicator.They installed a black piece of plastic where they should have installed a clear piece. This piece allows you to see if your turn signals are on and some people might be able to see it from behind as well.Installation:Just unscrew your turn signal housings, remove the plastic covers, break off the black plastic piece and install these. Then reinstall everything.Compatible:compatible with Subaru WRX 2015-2020compatible with Subaru STI 2015-2020compatible with Subaru Levorg 2014-2020compatible with Subaru OUTBACK 2011-2015compatible with Subaru LEGACY 2011-2015Material:PCcolour:TransparentPackage Contents:2 x auxiliary turn signalOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.