The Yamaha WR450F GPR Trioval slip-on exhaust delivers performance improvements for your motorcycle. This Italian-made exhaust system enhances power output while reducing overall weight. The Trioval series features a classic ovoid drop shape with a 100mm x 130mm diameter. The exhaust system creates a deeper sound note while maintaining legal noise limits. GPR constructs this system from polished 304 stainless steel with precision welding for maximum durability.

Yamaha WR450F Exhaust Fitment

• Yamaha WR450F 2007 2008 2009 2010 2011

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 WR450F GPR Trioval Slip-on Exhaust Details

• Enhanced Performance: The slip-on design increases horsepower and torque output across the power band
• Weight Reduction: Lighter construction than stock exhaust improves handling and acceleration
• Superior Build Quality: High-grade 304 stainless steel construction with premium welding ensures long-term durability
• Easy Installation: Complete kit includes specific link pipe and mounting brackets for direct bolt-on fitment
• Warranty Protection: 2-year international warranty backs the Italian craftsmanship
• Sound Optimization: Produces a deeper exhaust note while staying within legal noise limits