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M4 YA9942 RM1 Slip-on Exhaust, Carbon is made specifically for Yamaha YZF-R1 (2015-current).
M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. We create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.
This ceramic coated black slip-on mounts to the stock catalytic converter to improve the looks of your R1.
Features:
- 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
Note: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015-2023 Yamaha R1.
Note: Does not meet CARB (California Air Resources Board) emissions standards. For "Competition" use only. Will not ship to California.
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