WE HAVE 5 OR 6 NEW MUSTANGS HERE WITH THE MACH 1000 IN THEM,NO CONVERTABLES YET THOUGH. IT IS A VERY VERY NICE SYSTEM,NOT ONLY TURNED ALL THE WAY UP,BUT AT LOWER LEVELS ALSO! I ALSO LIKED THE CARGO NET ON THE CEILING,IT ISNT VERY BIG,BUT A NICE TOUCH.