Piston/carb ?s when oversize

can you send me pics of your set up

This is an old picture, tube from reedbox to carb now has a bend in it to put the carb more level:

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Here is the line from the carb to the stock airbox, all covered in mud of course:

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I am headed out to the shop in a few minutes, I get more pictures if you wish.
This is with a 39mm carb, stock for my KTM 250 engine.
The plastic pipe is standard plumbing drain PVC sized to match the carb inlet.

Steve