After looking for many options and suggestions, I have found that the best option for Installing a stereo system that will fit perfectly on M3W is a motorcycle stereo and handlebars speakers like the attached photos
.http://www.cyclesounds.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/4/4/4405-0015_series3_harley_1.jpg
