The Harrop Over the Radiator (OTR) cold air induction (CAI) system to suit Holden Commodore features a unique 2 piece construction which clamps the filter element between the two halves, creating an air tight seal. This results in an intake system that ensures complete air filtration while providing greater airflow and engine performance. For optimal results Harrop recommend every vehicle fitted with an OTR should receive a Dyno tune, this will ensure the maximum performance gains and driveability characteristics are achieved. Key Features Easily upgradable to FDFI supercharger system, requiring only a rear section change 2 piece design for easy installation and superior sealing capabilities Interchangeable housing for 2006 -2015 Commodores models Large filtration area utilising purpose made K&N air filter Available in MAF or MAFless configurations Serviceable filter element Vehicle Applications: Holden Commodore VF models including H.S.V. variants. Induction Options: Naturally aspirated with MAF sensor.