Ths CAI's are the same as the Charger....same part # from Chrysler. I have not verified that it will fit. I have my AFE II from my charger ready to go!.
Nobody has an exhaust yet available....Magnaflow wanted to use someones car to build one. do a search for magnaflow.
There is tuning from Diablo for 6.1 Automatic tranny cars only....Stick cars will have tuning soon.
I do not know if / When Diablo will have tuning for the new 5.7 cars.
There is a list of vendors here
http://www.challengertalk.com/forums/