The Injen SP cold air intake for 2011–2012 Hyundai Elantra 1.8L is a tuned aluminum intake system that includes 6061-T6 tubing, MR Technology tuning, and a serviceable SuperNano-Web dry air filter. Dyno-proven gains are listed at about +7 hp and +6 lb-ft torque; the system maintains safe A/F ratios and produces a pronounced engine tone. Not CARB-exempt; not legal for sale in California or vehicles registered there.
Injen 11-12 Hyundai Elantra 1.8L 4cyl Polished Tuned C/A Intake w/MR Tech & Web Nano-Fiber Filter