2017 Suzuki GSX-R1000 Stock Exhaust/Slip-on. The bike is making noise, it sounds like a valve tick or exhaust leak… any idea what else it could be?

The SET valve cable might need to be adjusted? Please see the link below.

How to adjust SET cable 3 to prevent exhaust rattle
Engine/Exhaust System/EXCV Cable No. 3 On-Vehicle Adjustment