What's gonna happen if.....
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Joined: Aug 2005
Posts: 42
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From: Arlington, TX
What's gonna happen if.....
What's gonna happen if I get an IMCO SI/DO Extreme 1 chamber and dump it behind the muffler? My set up is stock right now. I've done a LOT of searching on here and need to just ask. Thanks!! 
Oh, and I have 4.6 auto.
Oh, and I have 4.6 auto.