Like all our products, our M2 full exhaust systems were developed to surpass what is offered on the market today. Engineered to compliment the quality and performance of your bikes manufacturer, these handcrafted systems deliver unparalleled sound and performance for the ultimate race experience. Teflon Coated Magnesium End-Cap Stamped Spring-Fit Inlet Aluminum CNC Machined inlet and outlet Spiral-Wound Perforated Core Unparalleled Sound Cat Delete