I cut off the tube to half its length and fitted an aluminium cowl with mesh insert from...

https://www.revotec.com/acatalog/Flexible-Ducting-and-Accessories.html

You can see the process of how I did it and how it now looks via my blog page here :

https://franks4x4-morgantechnical.blogspot.com/2021/05/upgrading-my-roadster-100-air-intake.html

Frank

http://franks4x4-solograndetour.blogspot.co.uk/
Combat Stress-http://www.justgiving.com/Roadster100