The Yamaha WR450F GPR Satinox exhaust system delivers superior performance and sound. This Italian-made slip-on exhaust enhances your motorcycle's power output while maintaining legal sound levels. The exhaust features premium 304 stainless steel construction with a brushed finish. The oval design measures 90mm x 120mm for optimal flow characteristics. GPR engineers designed this system to provide an immediate power boost without requiring engine modifications. Enhanced Performance: Direct power gains through optimized flow design and reduced weight compared to stock exhaust Premium Sound Quality: Deep, rich exhaust note stays within legal limits while providing a more aggressive tone than stock Superior Construction: High-grade 304 stainless steel and precision Italian welding ensure last.