velocity stack

Greetings to you all, thanks for having me here apart of this awesome and extensive site. I have been interested in buying an air filter for my 49cc Hua Sheng engine. And I came across this filter which I probably will buy in the end...

I just got my velocity stack for the nt carb in the mail. I spotted some issues so i thought i would post pictures and show everyone what i came up with. First the velocity stack: http://www.jnmotorsbikes.com/product_p/jnm1125.htm they sell 2 of them but dont buy the 25mm that is just...