Thread: Fuel MPG
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Old 06-20-2008, 01:10 PM   eBay Motors   #15 (permalink)
juttin_15
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Join Date: Jun 2008
Posts: 8
Quote:
Originally Posted by cjrobinson27 View Post
cold air intake get rid of the dpf converter get an exhaust system from an 06 or 07 classic duramax it will all bolt right up and a programmer and you will get mid 20's easy
does that void urwarranty?
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