Yonaka 2.5" OD Polished Stainless Steel 16 Gauge Exhaust Straight Tubing Pipe 3FT 36" 1000MM High quality automotive grade stainless steel 16 gauge thickness Fully polished to a mirror finish Ideal for fabricating exhausts, intercooler piping, headers, intakes, etc. 1.5mm thick and 3 feet of pipe