Manufacturer for performance exhausts including manifold, header, downpipe,catback, muffler, tips, bends, elbow,clamp,collector Ningbo Yinzhou Chaomei Machinery Parts Co., LtdProduct Specifications/Features :Features:. 100% 304 stainless steel. T.I.G welding. Mandrel bend tubing. Laser cutting and CNC machined flange. Premium gasket and hardwarePrimary Competitive Advantages :. Well and High ...