Navigation and back-up camera, now usually about two thousand dollars, aluminum alloy wheels if you give the iron wheels to the tire repair store against the bill is only one thousand five! Leather seats don't replace your seats, they just pull off the outer layer of the cloth seats and put on leather covers! If it's good leather, it's only about three thousand dollars! The above prices in Linyi can buy the finished product! Come back to find someone to install for you is only one thousand dollars! A **** is also about seven thousand five hundred dollars!