I know we all talk alot about carbon monoxide and exhaust flowing back into our wags while driving. I have the factory deflector wing, but still I worry about the fumes. Has anyone ever tested the location of the exit pipe to see if the fumes are less or more (into the cab) while driving? This would probably be something that would have to be tested in a wind tunnel with computer systems, but I figure it is at least worth asking.
~ryan
~ryan
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