Dodge Challenger SRT Hellcat 2015 Owner's Manual page 482

480 MAINTAINING YOUR VEHICLE
Filter Access Cover
3. Remove the used filter.
4. Install the new filter with arrows pointing in the
direction of airflow, which is toward the rear of the
vehicle (text and arrows on the filter will indicate this).
5. Close the filter access cover.
Refer to the "Maintenance Schedule" for the proper
maintenance intervals.
I n f o r ma t i o n P r o v i d e d b y :
A/C Air Filter