I know all those boy racers in their fart cans have chipped their injins
>but how do the get the unburnt fuel into the hot exhaust?....is that a
>feature of the chipping so they can draw attention to themselves with
>loud bangs ? ....does it not bugger up the cataliser as well ? .....
Momentarily turn off the ignition, or at least, that's how it used to work. DAMHIKT!