remap

Hello, just what the title says. I have a 2017 and I want to upgrade my suspension. Apparently, the Yamaha R-series rear shock absorbers that are compatible don't fit 2017+ RC390s without deleting the cat. I'm pretty darned ok with the bike's performance on the street and highway, so I really...

So whats the verdict here? I have read the bike does and doesnt need to be remapped when you install an aftermarket exhaust. I know the Akro exhaust has a remap... but I am not looking to spend that much, plus that can is HUGE. Not a fan. I am interested in the AHM ZR1 exhaust, or even the GPR...