8-Lug Truck Performance Duramax, 8.1L, and HD tech | Intakes | Exhaust | Tuning | Suspension | Drivetrain

How is predator on mileage?

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Old Aug 30, 2005 | 08:27 PM
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Default How is predator on mileage?

Have a buddy who wants a tuner, but for mileage mainly (and power of course too). Is the predator decent for that application?
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Old Sep 3, 2005 | 11:06 PM
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From: tallahassee,fl
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Most people running tunes or modules only see anywhere from 1-3 mpg. increase.
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Old Sep 4, 2005 | 06:39 PM
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With a handheld tuner your likely to see a 1.5 mpg gain at the most with a free flowing exhaust.. Get a tuner box, intake and 4" exhaust and you'll upwards of 4 mpg increase
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