Fully integrated USB rechargeable battery

delivering high performance auto function within the framework of the stock clutch

and emphasizes it's sporty lines

at the same time

GPR Exhaust - M3 Black Titanium Racing Mid-Line for Yamaha YZF R1-R1-M - 2017 to 2019 Muffler with:Link Pipe Fully integrated USB rechargeable batteryGPR developed the M3 Black Titanium after the victories in the Moto3 World Championship. It has a removable racing grill, and a black titanium body with CNC machined bottoms. Its round shape has a diameter of 100mm. Product Features SOUND: Upgraded sound from stock exhaust. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical Specifications Shape: Round Body