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Hacksaw · 08-09-2017, 08:10 AM

I have a Bully Dog. Tried 3 different modes and either one seemed to effect mileage only perf. Recently fried the auto trans and since the rebuild I have not used the tuner. It's got 4" exhaust.

08-09-2017, 08:10 AM	#3
Hacksaw Senior Member Join Date: Sep 2016 Posts: 838 Likes: 148 Liked 276 Times in 151 Posts	Re: low fuel mileage I have a Bully Dog. Tried 3 different modes and either one seemed to effect mileage only perf. Recently fried the auto trans and since the rebuild I have not used the tuner. It's got 4" exhaust.