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k&n cool air induction

  1. Challenger Performance Mods - Engine - 5.7L HEMI
    Whats up brothas... So tonight I installed a K&N CAI system on my 09 challenger RT and I must say...I am not thrilled with the result. I have installed many of these systems on past vehicles...including my Jeep 5.7 and they were all much better, as a result. But after a test drive, I would say...