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Firstly I apologise for the question but I can't seem to find the answer and it's bugging me. With the spoon n1 back box, right at the end of the pipe exit there is that little hole. Not the actual exhaust pipe hole but the little one just inside.
Simply does anyone know what that is for ?
sorry for the silly question but I really want to know
Simply does anyone know what that is for ?
sorry for the silly question but I really want to know