the Frontal Flex Frame is engineered to ‘float‘ freely between the upper and lower boot

Multiple functional bores: for TRAX top cases

¹Battery life may vary based on usage and other external conditions

Billet aluminum and stainless steel construction

TPU shin plate

GPR Exhaust - M3 Inox Full Line for Yamaha XSR900 - 2016 to 2021 Muffler with:dB Killer-Catalyst the Frontal Flex Frame isGPR developed the M3 Inox after the victories in the Moto3 World Championship. It has a removable racing grill and CNC machined bottoms. It has a hand brushed stainless steel body, and a round shape with 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