Join Date: Feb 2009
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Need advice Intake, Exhaust, and or programer
My best friends dad is looking to put an intake and exhaust on his gmc duramax. he wants to get more mpg b/c he started a hauling business. So what i am asking is what type of intake and exhaust should he get to get the best results for the best price.
he is looking for something that it won't take long to get his money back on. the truck is completely stock except for tires.
also i was looking at some programmers for it and was wondering if it would be cheaper and better to just get a programmer instead.