Kawasaki ER5 2005 walkaround stock exhaust

Kawasaki ER 5 Walkaround on stock exhaust.
Motorcycle was purchased in january 2024.
Cost of this motorcycle here in poland was 1500 € (4.3 rate pln/eur).
Motorcycle was in ok condition.
Previous owner replaced chain.
I put a lot of work and money to bring it to this condition.
Motorcycle is equped with heated grips.