Chitoliro cha utsi nthawi zambiri chimaphatikizapo chitoliro cha kutsogolo ndi chitoliro chakumbuyo.Mpweya watsopano ndi petulo zikasakanizidwa mu injini kuti iyake, kutentha kwambiri komanso mpweya wothamanga kwambiri umapangidwa kukankhira pisitoni.Pambuyo pa kutuluka kwa silinda, mpweya wotulutsa mpweya umalowa m'kati mwake.Pambuyo potulutsa mpweya wa silinda iliyonse, mpweya wotulutsa mpweya umatulutsidwa kudzera mutope yotulutsa mpweya.

Imalumikizidwa ndi muffler kuchokera ku chosinthira chothandizira.Gawo la mtanda la muffler ndi chinthu chozungulira kapena chowulungika, chomwe chimawotchedwa ndi mbale zopyapyala zachitsulo ndikuyikidwa pakati kapena kumbuyo kwa dongosolo lotayirira.Pali mndandanda wa baffles, zipinda, orifices ndi mapaipi mkati mwa muffler.Chochitika cha kusokonezedwa kwa ma acoustic reflection ndi kuletsa kumagwiritsidwa ntchito kuti pang'onopang'ono kufooketsa mphamvu ya phokoso, kuti adzipatula ndikuchepetsera mphamvu ya pulsating yomwe imapangidwa nthawi iliyonse pamene valve yotulutsa mpweya imatsegulidwa.

Chitsulo chosapanga dzimbiri chosagwira dzimbiri.Chophimba chokhacho chomwe chili ndi chitsulo chosapanga dzimbiri 100% chomwe chimapereka moyo wautali poyerekeza ndi ma mufflers a aluminiyamu pomwe makina otulutsa mkati amachepetsa kusonkhanitsa chinyezi.Zomangidwa kuti zizikhalitsa.Magawo amkati ndi machubu olumikizidwa mwamakina amalola kufutukuka ndi kupindika pakasintha kutentha kuti achepetse kupotoza pamene akupota.