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Discussion Starter #1
I know that the 07 has the revised exhaust, and it becomes effecient with the replacement of the factory muffler.

my question is, if I just simply cut the factory muffler off, and thats it, no replacement, shouldnt it pull pretty nicely then??

I know it would be loud as all hell, and honestly, I dont care.

I figure for a 5.6L the 2.25" piping along with the cats provides more than enough backpressure.

what do you guys think???
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