The GPR Double Slip-on Furore Nero exhaust system enhances the Ducati Monster S4 1000's performance and sound. This Italian-made exhaust delivers superior power gains through precision engineering. The exhaust features a black aluminum body with CNC-machined avional caps. The ceramic finish resists high temperatures effectively. The exhaust's elliptical shape measures 90mm x 120mm for optimal flow characteristics. Ducati Monster S4 1000 Exhaust Fitment Ducati Monster S4 1000 2001 2002 2003 GPR Exhaust Information Removable DB Killer: Included Weight: 3.96 pounds (1.8 kg) Length: 13.78 Inches (350 MM) Finish: Matte Black Link pipe: Included Catalyst: Not necessary for this product European Homologation: Yes Ducati Monster GPR Double Slip-on Furore Nero Exhaust Details Enhanced Performance: The exhaust system increases power output and torque compared to stock components Superior Sound Quality: The exhaust produces a deep, aggressive tone that enhances the bike's character Lightweight Construction: The aluminum body reduces overall weight for improved handling Direct Fit Installation: The included link pipe and mounting hardware ensure proper fitment without modifications Premium Build Quality: Italian craftsmanship and high-grade welding deliver lasting durability Temperature Resistant: The ceramic finish maintains appearance and performance under extreme heat Warranty Protection: A 2-year international warranty backs the exhaust system's quality