I've had this idea in my head for a very long time, but haven't had the time, tools, shop space etc... to do it. Finally everything fell into place this summer and here is a peek at how I envisioned a hood vent for the ST165:
The primary objective was to let some heat out from under the hood, but a secondary and also important objective was that the vent should look like it could have come from the factory that way. I've driven it to work for a week with the vent and it definitely makes a difference. Before the vent, by the time I get there and start looking for a space in the parking garage, the under hood temps would have the engine bogging and slow to respond to throttle inputs. With the vent it's just as responsive as it normally is when the engine has just started warming up in the morning.
Sorry for the crappy pics but I've taken dozens of pics just to get something this good. It's difficult to capture the shape in a snapshot while the hood is in flat gray primer. Obviously I'm not a great photographer.