its length is either 23mm (Item-No

thoughtfully designed conversion kit for a sporty

thanks to very good cold grip

sold separately

That's why we have expanded our 85cc program to include KTM

GPR Exhaust - SatInox Slip-On for Yamaha WR 450 F - 2007 to 2011 K-Type-Drive Shaft Bearings its length is either 23mmGPR'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