It wont make a difference noise wise that you would notice without a measuring device (decibel-meter) but, it will help with dust. Certain window combinations cause a vacuum in the cab. full window, no rear net and dust gets sucked from the holes in the floor. I still need to make some for mine. The cheap walmart ones I cut didn't last at all. Derrange offroad on youtube has a nice diy for the teryx4 using garage floor rubber matting and he made a template just taping/folding white printer paper down then double checking and using it to cut like 3/4in mats to size. I just haven't done it yet.
Orange 17 Teryx4 LE, 4.5k winch, Full windshield, Roof, quadboss front rack, full spare, custom diy dog platform for rear seat