I noticed the Airaid tube seems to taper down quite a bit whereas the factory tube is straight through. Any idea on why? I'm either going with the Airraid, or just some 5. 5" aluminum tubing. Here's a link to the Airaid... .
https://www.xtremediesel.com/index.asp?PageAction=VIEWPROD&ProdID=568
https://www.xtremediesel.com/index.asp?PageAction=VIEWPROD&ProdID=568
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