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![M4 YA9944 Street Slayer Half Exhaust, Carbon for Yamaha YZF-R1 (2015-) M4 YA9944 Street Slayer Half Exhaust, Carbon for Yamaha YZF-R1 (2015-)](graphics/en-US/cssui/blank.gif)
M4 YA9944 Street Slayer Half System 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.
Features:
- MC36 Carbon Fiber Canister
- All Titanium Tubing Catalytic Converter Eliminator
- Saves 14.5 lbs Compared to Stock
- Q7 Quiet Insert Available but Sold Separate
Note: This system may drag during track use at heavy lean angles. ECU re-flash required when removing the catalytic converter on 2015-2024 YZF-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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