GrimmSpeed 15-17 WRX/STI, 12-16 Impreza/Crosstrek Most adjustability available on the market! Mounts in OEM tow hook location (No cutting or drilling required) Simple stainless steel allen key hardware Will not block flow to your FMIC and can be adjusted to not block fog lights (Adjustments available for maximum air flow) Indestructible Black Zinc coated 12L14 shaft (This will not bind and break off in your tow hook hole like cheap aluminum kits)