AEM cold air intake Subaru Impreza WRX / WRX STi 02-05
Every AEM air induction system is individually tuned in length and diameter to produce more power and torque across the entire RPM range and are guaranteed for the life of your vehicle. Every AEM air induction system is either C.A.R.B. exempt, or pending C.A.R.B. exemption (50-state legal).
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