Yamaha YZ400 F 1998-1999 Exhaust GPR Slip-on TriovalThe GPR Trioval Slip on Exhaust enhances the performance of Yamaha YZ400 F motorcycles. This exhaust system delivers improved sound output while maintaining legal noise limits. The exhaust features polished 304 stainless steel construction with a 100MM x 130MM diameter. GPR manufactures this exhaust in Italy with precise engineering standards. The system includes specific mounting hardware for direct installation. The lightweight design reduces

The exhaust produces enhanced sound output compared to stock systems

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Quality Assurance: Italian craftsmanship and 2-year warranty guarantee long-term satisfaction

The slip-on system features a carbon-look design with a stainless steel body

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Premium Construction: Italian craftsmanship combines high-grade stainless steel with precise CNC machining for superior durability

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GPR backs this Italian-made exhaust with a 2-year international warranty

Simplified Installation: Complete kit includes all mounting hardware and specific stainless steel manifolds for direct fitment

The oval silencer measures 120mm in diameter and includes precision CNC-machined avional components

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