2012 Kawasaki ZX10R, 2012 Yamaha R1, 2011 BMW S1000RR. Exhaust sounds

The sound of 3 different litre ZX10R is running Akrapovic full exhaust system, Bazzaz ZF-I, Yamaha R1 cross plane crank is running GYTR carbon mufflers with cat delete link pipe, Bazzaz ZF-I, BMW S1000RR is running Akrapovic shorty muffler with Dan Moto cat delete link pipe, no tuner fitted.