Product Description Pipe Customzation: • 304 stainless steel/Titanium alloy/Alumium. surface:polished/brushed/sand blast • Color:original/burning bule/purple/gold﹒ Powder coating color:black/red/or custom color • Welding color:gold/silver   • Logo:laser logo/metal plate/stamped logo. Heating shield *Smooth connection between flange and pipes *Sensor position not protrude inside surface of flange *Inside of pipe head polish 5cm,achieve better air flow and sound *The interior of the flange is welded in a circle and polished,NO welding slag. *TWICE weld make sure the firmness and gilding surface,weld joint size less than 6mm *Flange thickness we used is 10mm,12mm and 15mm,the deformation coefficient of the flange surface within 0.5mm