The KTM Duke 390 exhaust upgrade transforms your motorcycle's performance and sound. GPR's M3 Inox exhaust delivers enhanced power output and improved throttle response. This slip-on exhaust system reduces weight by 1.5 kg compared to stock components. The exhaust features premium stainless steel construction with high-grade welding. The 100mm round design produces an aggressive sound while maintaining legal noise levels. The included link pipe enables direct bolt-on installation without modifications. KTM Duke 390 Exhaust Fitment KTM Duke 390 2017 2018 2019 2020 GPR Exhaust Information Removable DB Killer: Included Weight: 3.3 pounds (1.5 kg) Length: 11.81 Inches (300 MM) Finish: Brushed Stainless steel Link pipe: Included Catalyst: Not necessary for this product European Homologation: Yes KTM Duke 390 GPR M3 Inox Exhaust Details Enhanced Performance: Advanced engineering increases horsepower and torque across the power band Superior Sound Quality: Racing-inspired acoustics provide a deep, aggressive tone while maintaining street-legal operation Precision Manufacturing: Italian craftsmanship ensures perfect fitment and premium build quality Weight Reduction: Lightweight stainless steel construction drops 1.5kg from your bike's total mass Easy Installation: Complete bolt-on system includes all necessary hardware and mounting components Competition Heritage: Design derives from Moto3 World Championship racing technology Lasting Protection: 2-year international warranty covers manufacturing defects Premium Materials: Hand-brushed stainless steel construction resists corrosion and maintains appearance