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Old 01-14-2021, 10:46 AM   #6
MortonCharbo
Scooby Newbie
 
Member#: 487057
Join Date: Jun 2018
Chapter/Region: BAIC
Location: California
Vehicle:
2002 WRX Wagon
PSM

Default

Start with the cheapest and easiest. Replace the air filter with an OE one and go from there.

Chances are the drop in filter isn't causing any issues, but they have before. You might as well eliminate that variable
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