Injen SP1578BLK RD Series Cold Air Intakes

(Si w/MR Technology - Black) Built for the (06-07) Honda Civic... The RD (RDXXXX) 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.The RS (RSXXXX) Series was strictly built for the enthusiast craving top end power. Unlike the other Injen Series, the RS Series includes both intakes and some of the Super SES, Injen s new stainless steel exhaust line. Each RS Series is built from 6061, T-6 aluminum alloy to ensure the lightest design possible. Every RS Series intake is certified or pending by the California Air Resource Board and is backed by Injen Technology s limited lifetime warranty.