Two Brothers
Two Brothers Racing S1R Carbon Full Exhaust '09-'23 Kawasaki ZX-6R/6RR
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Two Brothers Racing S1R Carbon Full Exhaust '09-'23 Kawasaki ZX-6R/6RR
The S1R exhaust is the latest state-of-the-art product from Two Brothers Racing. The system features carbon fiber highlighted by a natural finished Aluminum outlet and stamped spring-mounted inlet for ultimate durability. The S1R exhaust from Two Brothers Racing showcases a race design while increasing all-around performance. All of our carbon parts are made with a high temp aerospace grade epoxy resin. The carbon fabric is made with a 33 million modulus carbon tow then impregnated with the high temperature resin under very tight tolerances.
Fender Eliminator Kit included.
- 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
- Accepts sound reduction tips
| Full System Performance Specs | |||
| Stock | TBR | Difference | |
| Peak HP | 112.7 hp | 120.6 hp | +7.9 hp |
| Peak Torque | 45.6 ft-lbs | 47.1 ft-lbs | +1.5 ft-lbs |
| Max HP Gain | - | 9 hp @15000rpm | +9 |
| Max Torque Gain | - | 3.9 ft-lbs @6300rpm | +3.9 |
| Weight | 25 lbs | 9 lbs | -16 lbs |
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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.
