The GPR Trioval slip-on exhaust enhances the performance of Kawasaki ZX6R 636 motorcycles. This exhaust system delivers increased horsepower and improved sound quality. The Trioval series features a classic ovoid drop shape with a 100MM x 130MM diameter. The exhaust body uses hand-polished 304 stainless steel for superior durability. GPR manufactures this system in Italy with high-grade welding techniques. The exhaust includes a removable DB killer for sound customization. Kawasaki ZX6R 636 Exhaust Fitment Kawasaki ZX6R 636 2003 2004 GPR Exhaust Information Removable DB Killer: Included Weight: 4.29 pounds (1.95 kg) Length: 15.75 Inches (400 MM) Finish: Polished Stainless Steel Link pipe: Included Catalyst: Not necessary for this product European Homologation: Yes Kawasaki ZX6R GPR Trioval Exhaust Details Enhanced Performance: The slip-on design increases horsepower and torque output compared to stock exhaust Superior Sound Quality: The exhaust produces a deeper tone while maintaining legal sound limits Lightweight Construction: The 4.29-pound design reduces overall motorcycle weight for improved handling Easy Installation: The included link pipe and mounting brackets enable direct bolt-on installation Premium Materials: Hand-polished 304 stainless steel construction ensures lasting durability Warranty Protection: Two-year international warranty covers manufacturing defects