Two Brothers
Two Brothers Slip-On Exhaust '15-'23 Yamaha R1
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Two Brothers Slip-On Exhaust '15-'23 Yamaha R1
Like all of Two Brothers products, our R1 slip-on exhaust system was developed to surpass what is offered on the market today. Engineered to compliment the quality and performance of Yamaha’s products, this handcrafted system delivers unparalleled sound and performance for the ultimate race experience.
Exhaust Features:
- Aerospace High-Temp Carbon Fiber
- Teflon Coated Magnesium End-Cap
- Stamped Spring-Fit Inlet
- Aluminum CNC Machined outlet
- Rubber-Lined Styled Mount
- Spiral-Wound Perforated Core
- Unparalleled Sound
| Performance Specs | |||
| Stock | TBR | Difference | |
| Peak HP | 168.94 hp | 172.28 hp | +3.34 hp |
| Peak Torque | 77.63 ft-lbs | 78.01 ft-lbs | +.38 ft-lbs |
| Max HP Gain | - | 4.11 hp @ 11,500 rpm | - |
| Max Torque Gain | - | 2.37ft-lbs @ 5,000rpm | - |
| Weight | 17.5 lbs | 4.5 lbs | -13 lbs |
| Catalyst | yes | no | - |
| O2 Sensor | yes | yes | - |
Returns & Exchanges
If you are not completely satisfied with your purchase, you may return the item within 30 business days of receipt. While we offer a hassle-free return policy, some non-defective items may be subject to a 15% restocking fee.
Returned items must be:
- New and unused
- In original condition
- In the manufacturer’s original packaging
- Include all tags
Returns due to manufacturer defects will be accepted only if the customer provides photographic evidence showing the issue was not caused by misuse.
Non-Returnable Items
- Electrical components
- Special or made-to-order items
- Windscreens
- Bodywork
- Carbon fiber parts
- Closeout items
- Used parts
Customers are responsible for all return shipping costs.
Once your return is received and inspected, refunds will be processed within 24–48 hours to the original payment method (minus shipping fees). Please allow an additional 2–8 business days for the refund to appear on your account.
Before returning any item, please contact us at support@motostarz.com or call 1-236-481-2222 to obtain a return authorization number. This number must be clearly marked on both the inside and outside of the package.
