I was really tired the other night and came up with running four pipes for the older Euro Zetec R that was carburated; methinks a pair of Holley two barrels with U-shaped pipes would be quite nasty.

Maybe run a hood like the Subie WRX that has the long narrow scoop so all 4 pipes have a direct quasi ram air. Just thinking out loud...bet the Burton Power boys have already done that.