FMF Q4 Muffler 042321 1811-2616 Clutch Hub Nut Lock Washers CNC machined billet aluminum housings

CNC machined billet aluminum housings

- 2019-2023 BMW R 1250 GS Lower: 2019-2022

Replacement socket assemblies

Exhaust system is compatible with side cases and central stand

wear plates with hardware

FMF Q4 Muffler 042321 1811-2616 Clutch Hub Nut Lock Washers CNC machined billet aluminum housingsThe Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power to weight ratio Quiet power with minimal sacrifice for performance Developed over years of championship off road racing Twin stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor