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Thread: My new Tow Rig
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Old February 13th, 2008, 03:13 PM   #15
gotsand?
sie sehen mich rollin ...
 
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Quote:
Originally Posted by barry1me View Post
FYI your truck comes with a 4" OD exhaust from the factory...straight pipe it dont waste your money on an aftermarket exhaust of lesser quality then your OE system.
I was looking at that earlier when I was putting in the new batteries....it doesnt look like it has the "flattened" down pipe from the turbo like the exhaust listing says it does.

will I gain anything by just replacing the muffler and cat with a straight pipe? other than sound obviously...

I would think that it would be less restrictive therefore better flow, lower EGT's more power and better economy.
(these are the reasons for wanting to go 4" anyhow)

:miff: stupid learning curve
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