*Used Injen Short Ram Intake for 2005-09 Legacy GT. Injen / Amsoil Filter has some slight abrasions. Actual product and contents shown.

INJEN SHORT RAM AIR INTAKE 02-05 WRX. IS Intake Systems. The IS Series is a traditional, underhood intake system that is placed in the stock location of the factory air-box system. Each system is built from 6061, T-6 aluminum alloy to ensure the lightest design possible. Every IS system is certified or pending by the California Air Resource Board and backed by Injen Technology's limited lifetime warranty.

INJEN COLD AIR INTAKE 02-05 WRX SEDAN ONLY. RD Series Race Division Intake Systems The RD series is a cold air intake system for the enthusiast craving mid-range power. The intake tube is strategically placed behind the front bumper to acquire colder, denser air. Although most of the RD series is a one-piece design, several are two-piece designs due to the mass air flow meters. Every RD system is certified or pending by the California Air Resource Board and backed by Injen Technology's limited lifetime warranty.

These Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The SP series does not limit itself to just a Cold Air System or Short Ram System. The MR Technology process has its effects on both types. SP is The World's First Tuned Intake System.