The GPR Trioval slip-on exhaust enhances performance and sound for Yamaha WR426F motorcycles. The exhaust system features polished 304 stainless steel construction with a 100mm x 130mm diameter. The Trioval design delivers improved power output while maintaining legal sound levels. The exhaust includes a specific link pipe and mounting brackets for direct installation. GPR manufactures this exhaust in Italy and backs it with a 2-year warranty. Yamaha WR426F Exhaust Fitment Yamaha WR426F 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 WR426F GPR Trioval Exhaust Details Enhanced Performance: Premium 304 stainless steel construction maximizes power gains while reducing overall weight Simple Installation: Complete mounting hardware and link pipe allow for direct bolt-on fitment without modifications Superior Sound Quality: Tuned exhaust note provides deeper tone while staying within legal sound limits Lasting Durability: Hand-polished finish and high-grade welding ensure excellent corrosion resistance Guaranteed Quality: Italian manufacturing with 2-year international warranty coverage protects your investment The GPR Trioval slip-on exhaust enhances performance and sound for Yamaha WR426F motorcycles. The exhaust system features polished 304 stainless steel construction with a 100mm x 130mm diameter. The Trioval design delivers improved power output while maintaining legal sound levels. The exhaust includes a specific link pipe and mounting brackets for direct installation. GPR manufactures this exhaust in Italy and backs it with a 2-year warranty. Enhanced Performance: Premium 304 stainless steel construction maximizes power gains while reducing overall weight Simple Installation: Complete mounting hardware and link pipe allow for direct bolt-on fitment without modifications Superior Sound Quality: Tuned exhaust note provides deeper tone while staying within legal sound limits Guaranteed Quali