I don't know if it really affected the production car in terms of performance, but I've always CAIed my cars. It was a chore knowing what to install but I'm happy with the end results and it looks better than the stock packaging. I would recommend this move for the Challenger.
π§ Improved Performance: K&N Cold Air Intake Kit for 2007-2009 FORD Mustang GT (63-2565)
9 Review
π K&N Cold Air Intake Kit: Boost Horsepower on 2015-2016 Ford F150 Turbo Ecoboost, 3.5L V6, 63-2592
9 Review
π K&N Cold Air Intake Kit: Rev Up your 1998-2003 CHEVROLET/GMC (S10 Pickup, Sonoma) with High Performance: Gain Horsepower & Stay Road Legal (57-3025-1)
9 Review
π§ Enhance Performance with Spectre 8711 Vacuum Sensor Adapter Kit
9 Review