P7 intake is close enough to work also, but not as "close as the LSX/7s Viper intakes are the same spacing, but that's a lot of work to remove two cylinders from the intake and get the fuel rail right, the 3rd gen viper Intake would be better but I like the look of the 2nd gen intake.

The Gene Adams (http://hotrodenginetech.com/early-hemi-single-plane-4v-intake-test/) designed single plane intake looks like it could be modified to work, I have a RO7 intake that I plan on trying to modify to work on a G3.