1. Yenziwe kwizinto zeprimiyamu yokusebenza ixesha elide
2. I-muffler yokukhupha ekhaphukhaphu kwaye eyomeleleyo, eyilelwe ukujongana nobunzima beenjini ezisebenza kakhulu.
3. Ukukhutshwa kwe-sonic okuphuculweyo kubonelela ukuhamba okuphezulu kunye nokwanda kwamandla