Injen SP1222P Cold Air Intake System Kit for 05-07 Subaru Impreza 2.5i/RS L4

Vehicle Fitment

• 2005-2007 Subaru Impreza 2.5L H4 (Impreza RS, Outback Sport, WRX, WRX STI, WRX Limited, WRX TR)

Fitment Notes

• No ECU tuning required - maintains safe air-fuel ratios
• CARB EO D-476-5 certified; legal in California and other CARB states
• Optional hydroshield (PN 1035BLK or 1035RED) sold separately

Features

• Mandrel-bent 6061-T6 aluminum intake tube
• Rotomolded cold-air housing with front-mounted scoop
• SuperNano-Web dry air filter - fully serviceable
• Patented MegaRam (MR) technology enhancing airflow
• Aggressive engine induction tone under load
• Made in the USA, backed by limited lifetime warranty

Specifications

• Material: 6061-T6 aluminum tube; rotomolded housing
• Performance Gains: Up to +14 hp and +13 lb-ft torque (dyno-proven)
• Installation: Direct bolt-on with anti-vibe mounts; no cutting or tuning required
• CARB: Exempt (EO D-476-5)
• Warranty: Limited lifetime coverage

Included Components

• 1x Polished aluminum intake tube
• 1x Rotomolded housing with front scoop
• 1x SuperNano-Web dry filter (X-1017-BB replacement)
• Mounting hardware and anti-vibe bushings
• Installation instructions
• (Hydroshield not included)

Product Description

The Injen SP1222P polished SP-Series Short Ram Intake is designed for 2005-2007 Subaru Impreza models equipped with the 2.5L H4 engine - including RS, Outback Sport, WRX, and STI variants. Featuring a swept, mandrel-bent 6061-T6 aluminum tube and rotomolded cold-air housing with front scoop, it delivers standout airflow with up to +14 hp and +13 lb-ft torque gains - all without tuning. This intake features patented MegaRam technology for boosted performance and a throaty induction sound, yet keeps air-fuel ratios safe. It's CARB-certified (EO D-476-5), bolt-on, made in the USA, and backed by a limited lifetime warranty.