Quote:
Originally Posted by DukeDrifter
I really don't see how upgrading your airbox does anything other then change your engine bay cosmetically. It's still taking in air, it's not substantially colder or larger a larger quantity so the gains would be next to nothing.
You'll get more gains tuning on a sub 20 degree day as opposed to a +35 day.
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I believe the idea of pod filters is the bigger surface area through the filters, therefore allowing more air to be sucked in, which in turns makes more power.
I only know that both K&N and AEM have released dyno graphs with their products on a stock WRX and it shows that there are gains to be had. Interpret as you will, but if you really want to change out your intake, I would change it to either of these brands.