AEM Cold Air Intake Red WRX / STI (2002-2005) Mazda The 1/2 inch thick flanges

The 1/2 inch thick flanges offer a secure fit along with the factory placement exhaust hangers

The stock end links can flex and crack over time

the "Race" version incorporates a metal bearing for the least amount of deflection as possible and adds 1/3 of a degree of caster

they tested 26 different intake configurations with over 140 dyno pulls

AEM Cold Air Intake Red WRX / STI (2002-2005) Mazda The 1/2 inch thick flangesAEM'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.