Name: Auto Exhaust Steam Pipe Material: Icr18ni9ti Application: This product is only applied to premium car at present Function: It will prolong the engine's lifetime and improve its quality to have better performance than the original one. Ningbo OMEDA Auto Part Co., Ltd is an automotive based corporation, which is engaged in sealing area, steering area, transmission system and automotive sound system. We have more than 14 years experience in automotive industry.