Okay the slimline is not the way to go with this one. Too much cutting. Just a straight pipe or a 90 deg out the side is the way to keep this cowl clean. To set the center for mounting ,just make cross on the fuel tank openning. The screws are short for the blind nuts. I used some US ardware I had laying around.
Hey no flaps I can't get a camera right now. Just remember the spits flaps were more for reducing speed as compared to lift generating flaps.
SPUDS off right