is there any exhaust gas left for reload?

the Veyron has 4 turbos isn't it? it is merely the application which is novel since noone has taken 3 turbos to slap on the engine. still, multi turbo powerplants are not new, thats my point.

@Happily1986: Yes, you are correct about the Veyron having 4 turbos. The Veyron's engine is a W16 which is equivalent to two V8s. Each turbo is set for each bank of cylinders and that is why the engineers are able to place four turbos.

When I asked the question about how will triple turbos function, I basically was wondering on how three turbos would function on an inline engine since most of the time nowadays we only see twin turbos. Generally, one turbo for the lower-end and the other one for mid and higher end.

Fixing three turbos on an engine is new for stock engines although aftermarket tuners have done it. I've seen three turbos on a Mazda 20B engine and it is ideal since it thas three rotors. One turbo for each rotor.

Thank you for your comments.