| and picked up some vents for about $5 each. Before I began though, I wanted to do a bit of research. So in going through post history, I read that this might not be the best place, due to high pressure in the wheel well. I noted above that you received improved flow from this mod, but I was wondering if your liners had the vents underneath the way my liners do? If you notice in the first pic, there are holes running along side the recessed area that has the vent openings. I believe that on TTs there is an additional piece that attached there to create additional "suction" at this vent via a venturi effect. If that's the case, I wonder if I'm better off trying to obtain or create the piece that attaches there, rather than cut up my liner, to get better flow through the area. . 
Bernie, do you have a pic of the factory TT vent?

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