slip ons

Looking at putting a slip on exhaust on my 2020 zx10r, but the Yoshimura Alpha has a cat eliminating pipe. Is a fuel adjustment/mapping recommended? If so, any recommendations? New to sport bikes, I've always worked on Harleys. Looking forward to learning these bikes. Yoshimura Alpha Race...

ive been looking for the akra gp (i think its called the megaphone) exhaust and no luck. does anyone know where i can maybe find one.. im interested in any style exhaust like that ( no shit can exhausts.. lol) i have a TBR slip on now and its ehh and i made a mistake buying one as for my first...