Ready to bring your bike into a class of its own? Comp-S systems are all handcrafted in the USA with all the TIG welds being perfected by hand. Comes with all necessary hardware, tubing, instructions for installation. Designed and tuned for max torque and increased horsepower. Swept-up muffler for enhanced ground clearance. Carbon fiber end cap. Mandrel bent stainless steel tubing. All TIG welds done by hand. High-temp SS wool and packing material. Accepts stock O2 sensor. Made in the USa.