That's good to know, other than fuel economy it would be A LOT easier to clean the underside (if i go aluminum) and wouldn't have to worry about rust as much.
I planned on getting a retractable tonneau cover, for me it seems more practical than the topper.
All in due time though first is my ac compressor, then exhaust, then electric fan/new intake.
This will leave me enough time to plan how i'm going to go about this
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