02-04 Subaru WRX Wagon Sedan Injen Cold Air Intake System The Injen RD and SP Series cold air intake systems are the perfect upgrade to your vehicle. After removing your factory airbox, the intake tube is directed directly behind the front bumper to acquire colder, direct air. Although most Injen intakes are a one piece design, several are a two piece design due to the mass air flow meters on some vehicles. You wont ever have a check engine light or have to trick or unplug a sensor with an intake! |
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