The HT Auto Bottom Line V3 rear aprons for the  2015-2021 WRX and STI are a bolt-on set of rear skirt extensions.  The sharp design with the extra little "blade" on it is an excellent cosmetic match for the latest . Installation is straightforward, using existing body fasteners plus a couple new ones, which are supplied.

Sold as a set of left and right rear aprons.

Fits all 2015-2021 Subaru WRX and WRX STI. Does NOT fit over OEM Aero Extensions.