Simply putting in the power chip will not give you all you want. A large unrestricted stainless steel exhaust system will help. You also have to change the air system,not just the filter, the entire air flow system .This may or may not get you more mileage. More power may put a strain on your torque converter. You cannot beleive all the mileage claims.A subscription to Diesel Power Magazine will help you figure out what works and what is sales hype.
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