The B3L-14730-01 Yamaha R1/R1M Exhaust Chamber Assembly is a high-quality motorcycle part designed by Yamaha. Specifically made for the Yamaha R1 and R1M models, this exhaust chamber assembly is a crucial component for the proper functioning of the vehicle's exhaust system. With the manufacturer part number B3L, this product is sure to provide a perfect fit and reliable performance for your Yamaha motorcycle. Whether you are looking to replace a damaged part or upgrade your existing exhaust system, this Yamaha exhaust chamber assembly is the ideal choice for any motorcycle enthusiast.