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This is a very simple tune I put togather for a friend of mine and he is having great luck with it. this is on a 2007.5 and he has gained almost 4 MPG. This is NOT DPF deleted, so you can run with stock exhaust that is what he is doing.
 

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Stock: H/C=15.5 DIC=16.3 This Tune: H/C=15.3 DIC= 20.0....no true improvement. Drives nice.
 
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