Wanted to throw this out there and see what others thought or have done to install their NGauge. And sorry if this is the wrong spot...
This is two pieces. One that goes in place of the vent and bolts in with the 3 screws that hold it in. No permanent mods, if I want to switch back I can unbolt the mount and bolt the vent back in place. Air is fine without this vent unless the sun is baking you from the drivers side. The NGauge clips to the front of the mount the same way as the generic mount it comes with.
The second piece fits into the end of the duct to seal it off.
I like the flush look but I am playing with another idea that spaces the gauge out and would allow a small amount of air to escape around the perimeter of the gauge so you don't eliminate all air flow from that vent.
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