FMF Q4 Muffler 042320 1811-2615 Preston Petty Taillight Lens and a larger 150 mm

and a larger 150 mm outer diameter that offers more coverage from roost

Max EGT temp

show a top-level look

FITMENT: Yamaha R1 2007-2014

Rotors cool as they rotate to lower brake operating temperatures

FMF Q4 Muffler 042320 1811-2615 Preston Petty Taillight Lens and a larger 150 mmThe 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