AEM's Cold Air Intake (CAI) for the Subaru WRX/STI features CNC mandrel-bent 6061 piping, tuned in both length and diameter to maximize power. Every AEM cold air intake is powder coated or polished and has TIG-welded fittings and brackets. For filtration, AEM utilizes its new reusable lightweight urethane, four-layer cotton-gauze filter that features a redesigned air horn for improved performance. All WRX/STI AEM cold air intakes are C.A.R.B. exempt or pending exemption (50 state legal) and come with complete installation hardware, comprehensive instructions, an AEM decal and license plate frame.
NOTE: This kit is street legal in all 50 US states. CARB EO Number: D-670-15
NOTE 2: This intake will not work with a front-mount intercooler.