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Question: Duramax Exhaust
Hello, Im new to the world of diese,l and so far im loving it!!! I have an 09 duramax 6.6 its got more then enough power for what i need so my question is ive heard that an exhaust upgrade can improve my gas mileage and im a sucker for a good sound too what would anyone suggest? Thanks!!!- royce29
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- Forum: Introductions
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2009 Gmc 2500 duramax
royce29 submitted a new Showcase Item: 2009 Gmc 2500 duramax Read more about this showcase item here... -
