u/Any_Access1493

I'm trying to decide on upgrading the front brake calipers on my 2014 S1000RR. Currently, I have the options: Brembo GP4MS, Brembo Endurance 108mm caliper, and Brembo GP4RR. Any recommendations or reviews would be appreciated.

Someone offered to sell me an unused Akrapovic exhaust from the WSBK team. I'm wondering if it would fit my 2014 S1000RR HP4. Any advice?