The Challenger hasn't been updated yet like the Charger. I'm sure a refresh is coming soon. Up until 2012, the Charger had a similar interior and used the same key, which is used in all the Mopars prior to the recent refreshes.
I personally really like the new Charger SRT8.
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2014 Ram 1500 4x4 Outdoorsman
Retro Shop Custom FXR Projectors | Diablo inTune | Moe's 87mm TB | BT Oil Catch Can
Toyo A/T II Tires | Bilstein 5100 Front & Rear Shocks | AirLift 100 Air Bags
Bestop PowerBoards | RollBak Bed Cover | BedRug |