I read either here or somewhere else that this will work as a replacement for the 06-09 9-5. Is it plug and play? I know this now is an old unit, but a few can be had new around 125.00 on eBay. I’m getting sick of looking at the Atari like graphics on the stock unit. Most importantly, I don’t want to lose power at speakers swapping HUs’. Thank goodness they kept the system as robust like the 05-down. Fit in stock cage, trim surround needed? Thanks for any info!