Like all our products, our Two Brothers Racing M2 full exhaust system was developed to surpass what is offered on the market today. Engineered to compliment the quality and performance of your motorcycle, this handcrafted system delivers unparalleled sound and performance for the ultimate race experience. Black Series systems are fitted with black bands, black inlet/outlets, and a black teflon coated magnesium end caps Adding this high performance Black Series exhaust system will help you gain additional horsepower and increase torque while lowering the over-all weight of your bike Spiral-wound perforated core Available with carbon fiber, aluminum or titanium cans Unparalleled sound