Pipe Customzation: 304 stainless steel/Titanium alloy/Alumium/Silicone hose surface:polished/brushed/sand blast Color:original/burning bule/purple/gold﹒Powder coating color:black/red Logo:laser logo/metal plate/stamped logo.  It is expensive material but still the best choice for performance cars Applicationfor BENZ C63,S63,A45,CLS,BMW M2/M3/M4/M5/M6 AUDI RS series,etc