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2008 Duramax Questions

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J

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Discussion Starter · #1 ·
I have a stock 2008 2500HD Duramax. Added a MBRP exhaust tail pipe. What can be done that would increase fuel mileage. I am not looking for 600 hp I just would like to increase the fuel mileage and maybe the performance.
 
Brennan

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it stinks and whistles :)
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#2 ·
The tail pipe was a waste of money bud, sorry. Get a full exhaust and some efi tunes from rob or kory and you'll have a whole new truck


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DirtyMarx
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