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Anyone put a chip in their truck to get better gas mileage while towing. They obviously get more horsepower, but was wondering if the chips really help in MPG.
I have a dual flowmaster catback exhaust and K&N cold air intake on my 06 chevy silverado 5.3 engine. It's definately letting the engine breathe and I have increased gas mileage by 2-3 mpg with those upgrades.
I'm looking at the Hypertech programmer III performance chip. It looks like it's about $300. I don't want to spend anymore than that and don't care to have the dash display chip either (more expensive).
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Hybrid Mode
