Sir bionicman mey question po ako difference between 2.5 vs 3 inch pipe. Kasi ang stock na piping ng fortuner is already 2.5 tapos papalitan lang rin ng piping na size 2.5 na full exhaust rumors said no Hp gain for that same as stock exhaust na kasi 2.5 lang rin for the 3 inch pipe size naman rumors said you'll gain more HP. Sana ma notice moko bossing, your my inspiration for drag diesel's build and hoping you'll share your knowledge to us. Thank you bossing
May computation tlga jan boss sa circumference+thickness nung pipe nang exhaust. Pati length nun, iba ang length pag gagamitin mo ang engine mo sa high RPM at low RPM.
Boss naka fullexhaust ako, 2.5, downpipe tapos dual tip, walang resonator. Question, paano ko mapapatahimik ng onti? Kabit ba ko ng resonator, or yang scav na kinabit niyo? Salmat po