OLM STI Style Carbon Fiber/Gloss Black Spoiler w/o bases - 2015+ WRX / STI Subaru-Forester-2017 Increases cooling stack efficiency

Increases cooling stack efficiency

Turbo mounting gaskets included

Allows your engine to breathe in a larger volume of unrestricted air

oil is prevented from reentering the upper crankcase area and is directed down into the oil pan to ensure plenty of supply to the oil pickup

0-5V Output Lambda values from

OLM STI Style Carbon Fiber/Gloss Black Spoiler w/o bases - 2015+ WRX / STI Subaru-Forester-2017 Increases cooling stack efficiencyThis OLM STI Style Carbon Fiber Gloss Black (underside) Spoiler is sure to turn heads. This is a sleek upgrade for anyone wanting to upgrade their factory STI wing. NOTE: Uses Factory style bases and hardware; neither are included.