This Item is a closeout and is no longer available for purchase.
Drop your email here to be notified when it is available:
This product is bike-specific
Please click on "Select your bike" below to purchase the part that will fit.
Two Brothers S1R Slip-On Exhaust
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 their 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.
Note: Please check local laws before purchasing a Two Brothers Exhaust. Some modifications may be prohibited in some states.
Have a functionality, fit, or otherwise product-specific question about the Two Brothers S1R Slip-On Exhaust? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.