GPR Exhaust - SatInox Slip-On for Yamaha YZ 450 F - 2007 to 2009 Muffler with:dB Killer-Link Pipe Bypass Valve: No

Bypass Valve: No

HERO13 Black gives you best-in-class 5

Available in a wide range of configurations

Aluminum: 7

GPR Exhaust - SatInox Slip-On for Yamaha YZ 450 F - 2007 to 2009 Muffler with:dB Killer-Link Pipe Bypass Valve: NoGPR'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