Originally Posted by porkchop
question about your shroud though... are you concern that you might get some turbulance on the backside of the shroud where the lip is?
That lip is so small to start with IMO. Plus the air will bounce off the angle off the back of the shroud and exit in any case. Also the sir going over the bonnent will draw the air outwards also.
There is no pressurized air being forced in like an intake manifold.