to redirect the exhaust flow from the original flow to shorter exhaust flow.
So , like using straight piping without muffler la after the valve open coz the air will go through the new hole.
Registration for Round 2 of the Ignition.my-RCA Speed Challenge is now officially open! Featuring on-track action for street-modified vehicles over 3-laps of the full F1 Circuit, be sure not to miss out with...
erm...i've been searching tyre for my car for sometime ady... dunno which good...currently is 195/50/15... but i wanna get 205/50/15 which is damn hard to get ^^" hopefully can perform on dry and can drive around...