Ho khetha bophara bo nepahetseng ba li-tubing bakeng sa sistimi ea hau ea ho tima ke habohlokoa joalo ka ho khetha moferefere o nepahetseng. Khetho ea hau ea bophara ba li-tubing e tla ama boemo ba molumo le litšobotsi tsa ts'ebetso ea moferefere, empa hopola hore ho hoholo ha se kamehla ho leng betere. Ho sebelisa li-tubing tse kholo haholo ho ka sitisa ho ntša metsi ka ho liehisa lebelo la ho ntša metsi ka har'a li-tubing ho bakang tahlehelo ea torque. 'Me torque ke eona e tsamaisang koloi.
Ho na le mefuta e mengata e lokelang ho tsotelloa ha u khetha boholo bo nepahetseng ba li-tubing bakeng sa ts'ebeliso ea hau, joalo ka theknoloji ea enjine (lienjine tsa hlooho tse bataletseng vs 60's lienjine tsa kajeno) cubic inch, li-catalytic converters, phallo ea hlooho, boima ba koloi, tsela eo koloi e khannoang ka eona le tse ling tse ngata. Lisebelisoa tsa seterateng tse bobebe ho isa ho tse itekanetseng li tla sebelisa 1-5 / 8" ho isa ho 2-1 / 2" ho ipapisitse le phallo ea enjene, tlhahiso ea matla le mofuta oa sehlahisoa o pentiloeng tsamaisong eohle.
Boholo ba Max Racing Exhaust liphutheloana tsa lihlahisoa, litsebi tsa rona li thathamisitse letoto la lethathamo la lihlahisoa tse lekiloeng hammoho le boholo ba liphaephe tse khothalletsoang. Moo motsoako o khethehileng oa sephutheloana o tla fumana molumo joalokaha o phatlalatsoa, 'me ka phaello e ntle ka ho fetisisa ea matla
Ho ithuta haholoanyane ka ho khetha phala e nepahetseng ea ho tima, etela leqephe la rona bakeng sa lintlha tse ling: https://maxracing.co/rules-of-thumb-pipe-diameter/