Originally Posted by
It's Czech Mate
It MUST be true then......or you just didnt listen properly and have taken it out of context.
It's something to do with boost cut so you don't damage engine.
And what's with the sarky comment? I'm only stating what I've been told from a reputable tuner. Let's hope an actual tuner comments to put you straight about bleed valves ( bleed valves = shite ).