The K&N 57-1565 is a performance air intake sold for the 2011-2014 Dodge Challenger equipped with the 6.4L V8. It is intended to replace the factory intake system so the engine can draw in air through a less restrictive path. Buyers looking for a Challenger 6.4 cold air intake, a 6.4 Hemi intake upgrade, or a K&N 2011-2014 Challenger intake will want to confirm the exact fitment for their model year before ordering.