The GPR Trioval exhaust system enhances motorcycle performance and sound quality. This Italian-made exhaust delivers improved power output while maintaining legal sound limits. The exhaust system features polished 304 stainless steel construction with a 100mm x 130mm diameter. The system includes stainless steel manifolds, flanges, bushings, and brackets for direct cylinder mounting. GPR offers a 2-year international warranty for quality assurance. Yamaha YZ250F Exhaust Fitment Yamaha YZ250F 2006 2007 2008 2009 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: Full system, includes headers Catalyst: Not necessary for this product European Homologation: Yes Yamaha YZ250F GPR Trioval Full System Exhaust Details Enhanced Performance: Optimized exhaust flow increases power output compared to stock systems Superior Sound Quality: Creates a deeper, more aggressive tone while staying within legal sound limits Premium Construction: Hand-polished 304 stainless steel ensures lasting durability and appearance Weight Reduction: Lighter construction than stock exhaust improves overall bike handling Simple Installation: Direct-fit design requires no modifications to your motorcycle Italian Craftsmanship: High-grade welding and precision manufacturing ensure exceptional quality