Dodge Challenger 2014 Owner's Manual page 455

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).
MAINTAINING YOUR VEHICLE 453
A/C Air Filter
5. Close the filter access cover.
Refer to the "Maintenance Schedule" for the proper
maintenance intervals.
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