2011-2024 Dodge Charger / Challenger 5.7L Catch CanYour engine needs a Catch Can, it's that simple and RIPP has the best one on the market the RIPP Catch Can System! The 5. 7L HEMI Mopar vehicle will greatly benefit from the use of a catch can as they are notoriously known for excessive blow by gas. Keep in mind, not all catch cans are created equal and though there are many designs similar the RIPP Catch Can System shines above all the rest. This is a system made for the 5. 7L Charger, Challenger.