Pipe ea moferefere oa exhaust ke karolo ea sistimi ea ho felloa ke enjene.Sistimi ea liphaephe tsa exhaust muffler haholo-holo e kenyelletsa mokelikeli o mongata, phala ea ho tima le moferefere.Ka kakaretso, li-catalyst tse tharo tsa ho laola ho tsoa ha litšila tsa enjene le tsona li kentsoe tsamaisong ea mosi.

Phaephe ea ho qeta ka kakaretso e kenyelletsa phala e ka pele ea ho tima le phala e ka morao.Ka mor'a hore moea o hloekileng le peterole li kopane ka har'a enjene bakeng sa ho tuka, mocheso o phahameng le likhase tse phahameng tsa khatello li hlahisoa ho sutumelletsa piston.Ha matla a khase a lokolloa, ha e sa le ea bohlokoa ho enjene.Likhase tsena li fetoha likhase tsa mouoane 'me li ntšoa ka ntle ho enjene.

Ka mor'a ho tsoa ho cylinder, khase ea ho qeta e kena ka bongata.Ka mor'a hore ho bokelloe manifold a mangata a silindara e 'ngoe le e 'ngoe, khase ea ho tsoa e ntšoa ka phala ea ho ntša metsi.