What type of exhaust system does the KTM Duke 390 feature, and how does it affect the bike's performance and sound?

The KTM Duke 390 features a lightweight, high-performance exhaust system that is designed to enhance the bike's performance and sound. The exhaust system is made of high-quality materials, such as stainless steel and carbon fiber, which means it is durable and resistant to corrosion. Additionally, the exhaust system is designed to be easily replaceable, which means riders can customize their bike's sound and performance with aftermarket options.