I fitted a res delete around a month or so ago, didn't go with the BCS version as i though £300 was a bit strong for a bit of pipe. I took a chance on one for £100 and fitted it in 20 mins and was very happy with the very, very small amount of drone. Anyway, today i had to carry some large items in the car so needed to put the seats down. I had no idea how much the boot must isolate you from the exhaust note/drone. If i had didn't have a saloon then it would be to much for me to live with. This could explain why some say the drone is to much and some say its fine, differant body types maybe.