Improved airflow aids in improved engine efficiency producing gains in horsepower and torque Injen IS Series Short Ram intake systems are traditional underhood units that are placed in the stock location of factory air box systems. Each system is built from 6061 T-6 aluminum alloy to ensure the lightest possible design By reducing turbulence in the pipe and providing a less restrictive flow through the high performance filter, each short ram intake system is engineered to provide improved horsepower and torque gains over the stock setup. RD Cold Air Intake System (Polished) - RD1670P Cheap Short Ram Intake Injen 98-02 Accord 4 Cyl. Polished Short Ram Intake | IS1670P IS1670P Intake For Horsepower Aerospace quality aluminum construction provides lightweight corrosion resistance and strength Injen Technology IS1670P Features: Add easy horsepower to your ride w/ the Injen Technology IS Performance short ram Air Intake! Our engineers spent abundant amounts of time designing, testing, and perfecting this product to develop some serious bolt-on power w/ some killer Horsepower increase Piping is mandrel bent to provide maximum airflow Each system is built from 6061, T-6 aluminum alloy to ensure the lightest design possible.