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like others said, if you get the engine to "breathe better" it will be more efficient.
remember, an engine is just a multi cylinder air pump, increase the inlet and outlet flow, you increase it's efficiency. increasing efficiency increases power and fuel economy.
i installed a CAI, headers, high flow cats, and muffler delete exhaust, with a tune that disabled AFM and my fuel economy on the highway did not change from the stock configuration. so i am running all 8 cylinders with the same fuel economy as if it were running just 4 with the AFM enabled in a stock configuration.
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RIP Cammie 7/15/2009 - 4/1/2011 |