Or you can hunt around for relatively good condition stock exhaust at kedai potong kereta. If gatal can also hunt for stuff like Supersprint, Remus, AC Schintzer dan yang sewaktu dengannya. Definitely louder than stock, expensive, butt dyno performance gains and perhaps won't rust as badly as stock as they're usually made of stainless steel. But keep in mind that the sponge inside can still wear.