The product is an OEM exhaust manifold specifically designed for the 2001-2006 Honda CBR600F4i 600 F4i motorcycle model. Made by Honda, the manufacturer part number is 18150-MBW-D22. This high-quality exhaust manifold ensures proper fit and functionality, providing a reliable and efficient exhaust system for the bike. Perfect for riders looking to replace worn-out or damaged components, this OEM part is essential for maintaining the performance and longevity of the motorcycle.