Quote:
Originally Posted by teoman
If porsche are noting an fuel economy benefit it could be worth it.
|
But at which cost? Anyway, if I would ever use some active device to improve the flow in the air box, I'd much rather resort to some flap instead of a loudspeaker.
Quote:
On the plus side it would be active and work for all rpm ranges and have an economy and power mode.
|
Nowadays I've been prefering engines with a narrower useful RPM band and rely on a wider gear spread.