GPR Exhaust - SatInox Slip-On for Yamaha WR 450 F - 2003 to 2006 Muffler with:dB Killer-Link Pipe If your Flexx bars do

If your Flexx bars do not have 10mm threaded pin you will need to use the CHG-1056-02-M8 Flexx Mounts

Genuine carbon fiber end cap with dual-outlet hydroformed oval inner nozzle

195 mm x 135 mm x 50 mm

Custom Spring required for stiffer rates

3/16” and 10 gage Grade 50 Steel Rib and Frame construction

GPR Exhaust - SatInox Slip-On for Yamaha WR 450 F - 2003 to 2006 Muffler with:dB Killer-Link Pipe If your Flexx bars doGPR'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