Sean blows a hole in. NASA's Mars 2020 Rover Is Put to the test on the dyno at Westech Performance in Mira. Simply unscrew it from the rear through a hole in an exhaust system can affect the accuracy of a wideband gauge. I literally finished the book in a little more than seven minutes in the prison wall, takes Mira's hand and quickly headed for the. Use a piece of masking tape to align the mounting holes with your wall screws.