2015-2025 Yamaha R1 M4 RM1 Slip On Exhaust System Black Muffler (YA9942)
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2026_04_16_642319

2015-2025 Yamaha R1 M4 RM1 Slip On Exhaust System Black Muffler (YA9942)

Original price was: $399.00.Current price is: $79.80.

SKU: M4PNYA9942 Category:

Description

2015-2023 Yamaha R1 M4 RM1 Slip On Exhaust System Black Muffler

This ceramic coated black slip-on mounts to the stock catalytic converter to improve the looks of your R1.

  • Retains stock catalytic converter.
  • 304 Stainless Steel with black Ceramic Coat
  • Carbon Fiber End Cap
  • Q7 Quiet Insert Available but Sold Separate
  • Optional Carbon Fiber Heat Guard Available but Sold Separate Here

    Note: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015-2023 Yamaha R1.

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    2015-2023 Yamaha R1 M4 RM1 Slip On Exhaust System Black Muffler (YA9942) 2015 2016 2017 2018 2019 2020 2021 2022 2023

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