We have tried a few different configurations as far as the vents go, so now you can see what we mean by personal preference. We feel they all look good and they function about the same. The larger ring vents seem to flow a bit better and have an aggressive look to us.
2 Pop Vents
3 Pop Vents
2 Twist Vents with Caps Installed
We have found once we had the vented rear window, we never closed them except for the one time it rained.
Side Note:
We have not been able to test the fitment of the G-Wing with this product as of yet, due to the hardware we have used to install it.
Hardware has not been finalized at this time.