03-08-2016, 07:37 AM
definately better than the external, my signal was awful to the point of never listening to the radio cos of it, alot of it depends on the headunit you have though as a lot of newer ones don't have good recievers built in due to the ipod and bluetooth era that we are in, but for a few quid in halfrauds it's always worth a try, had one in my old car too. Also means you can smooth the roof