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Old 02-11-2012, 03:06 PM   #110 (permalink)
gsxr750
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Join Date: Jan 2012
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if it devlopes more hp than it should get better gas mileage, with more efficient combustion comes better fuel economy. On the older 1980's cars, when you allowed the engine to breath better thru the intake and the exhaust, you usually got better mpg, HP, and 1/4 mile times. This usually meant removing the Cats and resonator on the exhaust, as they really really rob you of power.
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