Cobb Stage 1+ Power Package - Subaru STi 2015-2018EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number: D 660 17 D 660 42 DESCRIPTION This package includes the COBB SF Intake and Airbox along with the V3 Accessport! WHY? Want the world's best selling, most flexible ECU upgrade solution along with