Silicon for irregular body panel fit
 

I've always hated the irregular fit between the front bumper cover and fender. I was watching an RWB vid of those insane 911's they build and it showed them doing this to every connection joint on the entire body. https://i.imgur.com/aD851LS.jpg

Nakai is actually using Sikaflex 227black which is a polyurethane adhesive/sealant and not silicone.

good info. yes Sikaflex makes good stuff i use it at work all the time. The silicon seems to work well however if it ever fails ill try the Sikaflex