Quick view Injen 06-11 Civic Si 2.0L 4Cyl. Coupe & Sedan Black Short Ram Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare
Quick view AEM 06-11 Civic Si Polished Cold Air Intake AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare
Quick view AEM 06-11 Civic Si Cold Air Intake - Gunmetal Grey AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare
