Description
Note: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015-2020 Yamaha R1.
This ceramic coated black slip-on mounts to the stock catalytic converter to improve the looks of your R1.
- 304 stainless steel with black ceramic coat
- Carbon fiber end cap
- Q7 quiet insert available but sold separately
- Optional carbon fiber heat guard available, sold separately
YA9942 made by M4
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