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Post filter in top of air box housing 2021 R/T

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Old Aug 22, 2025 | 03:27 PM
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soar_dude
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From: Fort Lewis
Default Post filter in top of air box housing 2021 R/T

I was replacing the air filter in my 21 R/T and found what I would describe as post filter spot welded to the top cover. What's its purpose since it does not appear in the older airboxes. Is is to smooth airflow?
Soar Dude
 
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