n16 cd

Hi all, I bought a 2002 1.5s 3dr last year and I've been more than happy with it (pic below). It has 100k on the clock but still runs really well. There is just one exception. The standard radio is unreliable. It cuts out and the radio doesn't pick up many stations. I want to replace it with...

Heloo there : I have Nissan almera 2003 sedan,1.5 My factory cd player is ded ! so i need to buy a new player that it has USB and Aux inpot,That has the best instolation size for the car... Please tell me which one i buy that i can instal it without and any modifications or any crush :) and...