The GPR Trioval exhaust system enhances your Yamaha YZ426F's performance and sound. This slip-on exhaust delivers increased power output while maintaining legal sound levels. The exhaust features a classic ovoid shape with a 100mm x 130mm diameter. GPR crafts this system in Italy using premium 304 stainless steel with professional welding techniques. The exhaust weighs only 4.29 pounds, reducing your bike's overall weight for improved handling. Yamaha YZ426F Exhaust Fitment Yamaha YZ426F 2000 2001 2002 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 Yamaha YZ426F GPR Trioval Exhaust Details Enhanced Performance: The GPR Trioval slip-on system increases power output while maintaining optimal fuel efficiency Superior Sound Quality: This exhaust produces a deeper, more aggressive tone while staying within legal sound limits Premium Construction: Hand-polished 304 stainless steel construction ensures lasting durability and corrosion resistance Easy Installation: The included link pipe and mounting brackets allow for direct bolt-on installation without modifications Weight Reduction: The 4.29-pound system reduces overall bike weight for improved handling and performance Warranty Protection: GPR provides a 2-year international warranty for peace of mind