Originally Posted by Matt J
Originally Posted by BatFink
Why is it a external wastegate produces noise yet an internal ones doesn't?
Because its exactly that, external, meaning it vents to atmos rather than being part of the standard exhaust system. they have there own smaller exhaust pipe that vents either straight down or side exit or any other configuration etc.
Ah right I see what you mean now.
Why does an explusion of air make such a noise tho?
