



Yamaha R1 (2015-2025) S1R Black Series Aluminum Cat-Delete Slip-On - Part Number 005-4260406-S1B
Description
(muffler/end cap length and orientation may vary, see bike image for accurate representation)
Like all of our 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:
- 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
|
Peak HP Peak Torque Max HP Gain Max Torque Gain Weight Catalyst O2 Sensor |
Stock 168.94 hp 77.63 ft-lbs -- -- 17.5 lbs Yes Yes |
TBR 172.28 hp 78.01 ft-lbs 4.11 hp @ 11500 rpm 2.37 ft-lbs @ 5000 rpm 4.5 lbs No Yes |
Difference +3.34 hp +0.38 ft-lbs -- -- -13 lbs -- -- |
Instructions
**CLICK HERE FOR INSTRUCTIONS**
Sound Clip
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
(muffler/end cap length and orientation may vary, see bike image for accurate representation)
Like all of our 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:
- 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
|
Peak HP Peak Torque Max HP Gain Max Torque Gain Weight Catalyst O2 Sensor |
Stock 168.94 hp 77.63 ft-lbs -- -- 17.5 lbs Yes Yes |
TBR 172.28 hp 78.01 ft-lbs 4.11 hp @ 11500 rpm 2.37 ft-lbs @ 5000 rpm 4.5 lbs No Yes |
Difference +3.34 hp +0.38 ft-lbs -- -- -13 lbs -- -- |
























