Originally Posted by garner
I always have od on. Think the only way I can turn it off is tow/haul mode or manually shift into 5th. What difference did it make for you?
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Keeps it in a higher RPM...and like Dan said, makes the exhaust louder...but it might be better for MPG in town if you dont get it up past 45...thats usually when my OD kicks in anyways...