<div style="margin: 0in 0in 10pt"><div style="margin: 0in 0in 10pt">Ed, Not to be repetitive but I want to make sure we are on the same track.</div><div style="margin: 0in 0in 10pt">The flat surface area of the smile inlet in the front of the canopy is 2.25 sq inches.
3 X the area will be 6.75 square inches of opening in the firewall.
6.75 square inches = 2.9318 diameter
So if I decide to do this I have to have 3 inch's of diameter on the firewall available to cut outto accommodate properairflow.

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