Can you drive with BAKFlip MX4 open?
Can I drive with the BAKFlip folded open? Yes, new straps and buckles have become standard on new BAKFlip models. Strapping the cover down flat on the rails behind the cab allows incremental access to the bed and improved rear window visibility. via
Does driving with your tailgate down improve gas mileage?
We found that adding a tonneau cover or lowering the tailgate hurt fuel economy, rather than helped it. With the tailgate up and no tonneau, we got 22.3 mpg. Dropping the tailgate decreased efficiency to 21.5 mpg. via