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<h4 class="dechead">On One Hand: Power Chips Work
Power chips are performance enhancing accessories. Their use can not only increase a vehicle's gas mileage--from three to five miles per gallon, according to squidoo.com--but can also increase your horsepower.
On the Other: They're a Lot of Work
These chips will have to be installed inside your vehicle. As such, if you aren't familiar enough with auto maintenance, you'll have to go to a professional mechanic to get the chip installed properly.
Bottom Line
If you intend on keeping your car for a long time and you want a serious, legitimate way to save money and increase your mileage over the long term, power chips are one good solution.
Source:
Squidoo.com: Gas Mileage Devices, What Works and What Doesn't
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