I have the BMC filter installed and didn't notice a difference in sound and performance.
But maybe this is the reason for for the good numbers my baby shows: 60-130 8,86s
The price shouldn't be an issue, because it lasts much longer then than the OEM one, you can clean it with a special cleaner and treat it with the special oil and you can use it almost forever. So, if you keep your car it's even cheaper