I decided to have a change of exhaust on my 2020 STRS, I removed the original factory exhaust and fitted a Yoshimura when I bought the bike new in 2020. I just fancied another change, and having looked at various aftermarket systems and more importantly the build quality, after weighing everything up I elected to buy a Scorpion, the build quality and finish is excellent, in my opinion it is built better than the Yoshimura, it weighs a little more, however that said it has an S shaped link pipe that really sets it off, the material is a thicker gauge, the removable baffle allen bolt is a lot easier to to access that the Yoshimura, it was also £300 cheaper, all in all I am more than happy with the new system, and it sounds good, though I have yet to test it out on the road.