it will effect ur fuel consumption a little bit laa.. not to say it wont affect at all, it will all depend on ur setup and the design of the muffler and bullet.. dont bother bout the FC if u r hunting for power.. ur heavy foot will contribute more effect than the exhaust system..
i'm getting a mrs next week.,.,.,
need help from u guys on how to see if the car got hidden problems.,.,??
like leak pump , smt oil leaking.,.,.
cause i dont want to buy it next week.,., masuk bengkel end of...