Originally posted by jesseart
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9 mpg towing is not bad. I would stay far away from K&N filters or aftermarket calibration mods. The engineers who designed and calibrated your engine know far more about it's abilities, limitations and necessary safety margins than any aftermarket add-on supplier could ever hope to know. "Performance" chips typically use up built in safety margins to provide a little better performance at the risk of engine damage. Don't go there . . .
Rob
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