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[ame="http://www.youtube.com/watch?v=3DbkmThHYMs"]2013 Scion FR-S Intake: K&N Replacement Filter Dyno Test - YouTube[/ame]
So I found this today. Why would anyone replace the full intake system if this is true? It appears just a drop in grants the same gains as the full $400 TRD system.
Now I'm no mechanic. Can anyone speak to this in a more technical level?
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