Improving flow -- some nice bellmouths on the inlet side should smooth out flow and give me a reasonable bump in power -- say, 5+ across the board, with improved throttle response to boot.
It might be worth making a second one leading to bumper to airbox inlet, but this one is the one that should make the most difference.
A lot of OEM airboxes have one -- kind of surprised Nissan didn't bother...
I think I can make a nice gasket out of rubber, so it will flex and cover any gaps -- all I need now is a bellmouth with a flange.
I was looking at some throttle body and carburetor parts as a possible solution...
Can anyone direct me to flange mount velocity stacks like the one on the right in the first picture above?
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