good day guys,im using B16B engine i wanna change those standard extractor and i saw several custom made/brand selling in mudah.com.my but i dunno which one to choose.im prefer those custom made than those from "kedai potong" coz is too costly,its just for my daily use..4-2-1 is my choice.does anyone can suggest me which brand,few brand around and i dunno which one is better.thank for the help.