Just got done with installing a pump pulsor. So far I do notice a difference. I'll be honest coming from a breville barista I think gaggia it's a quiet machine but this mod does make a small Pompe Valvole Lelit Elektra, La Pavoni, Bugatti, Isomac, Pontevecchio, Quick Mill, Lelit, Zacconi Lelit 4000045 SPARE KIT SILENT PUMP 220 V 60 Hz ecafe.es Very helpful video if you want to REDUCE the vibratory pump noise on your Sage, Around 50 % less Noise, Its better in real person than on video , the video shows blank shots wich makes me think its