If you didn't buy your kit yet, try universal air.
You get to keep the bilstein factory strut and your active dampening will function like stock.
Dodge Challenger 2011+.. Universal Air is operated out of our 15,000 Sq. Ft. facility in San Bernardino, California where we manufacture our Air bags and distribute all Air suspension accessories.
www.universalair.com
I bought everything for mine through bagriders.com
You will need to run double compressors and plan on running your airlift 3p system at 200psi vs the 150psi. By doing this you can NOT run an auto dump water trap, you will need a manual one. Unless you are going with the 3H system.