GPR Exhaust - SatInox Slip-On for Yamaha WR 450 F - 2007 to 2011 Muffler with:dB Killer-Link Pipe 16 position rebound adjuster

16 position rebound adjuster

Vented mesh panels improve breathability and airflow

420D nylon rip-stop side panels

Easily applied for a durable coating

GPR Exhaust - SatInox Slip-On for Yamaha WR 450 F - 2007 to 2011 Muffler with:dB Killer-Link Pipe 16 position rebound adjusterGPR's Satinox silencer is made of 304 stainless steel. It has an oval shape with a diameter of 90mm. Product Features SOUND: Upgraded sound from stock exhaust. Although louder than stock but in compliance with the limits prescribed by law, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical