Definitely give it a go. I made one from lightweight aluminium sheet, fibreglass the inside and skimmed the outside with filler. Post #4 https://www.1000rr.co.uk/threads/yoshimura-infill-and-akra-can.39102/#post-525651
Ahh it was you! Proper nice piece of work that, Well impressed!! Mine will no doubt look like crap. Might be a winter project.....