stereo

Good evening all, I would appreciate your feedback/comments on a modification made to my car. The below does not constitute advice and the author is not responsible for any other users personal safety or vehicles based on this information. I've just completed the Stereo Nav and Bluetooth...

Hi Lads, I am looking to replace the standard speakers and stereo in my 197 this weekend but was wondering if anyone had any recommendations? Also are the speakers 13cm in front and back usually? Not sure about a subwoofer but if anyone has any recommendations or can advise on what they have...