Anti-lag devices, pros and cons?

[Mihnea Cotet]

Title says it all, what are the pros and cons
(especially the cons) for anti-lag systems? Increased
turbo wear? Worse fuel economy? I saw this in an
article about the Peugeot 206 WRC car that puts out
300+ HP and 650 Nm of torque at 3550 RPM and it uses
an anti-lag system that seems to work pretty well, so
I thought "why not?"...

Any valuable BTDT or more specific info is welcome!


Mihnea

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