< Specification : Flexible Exhaust Pipe > 1. Type : Out Braid , with Inner Braid, with Inter Lock, with Nipple end 2. Size : - Inner Diameter (mm) : 39íº¿ú, 43.2íº¿ú, 45.5íº¿ú, 49.5íº¿ú, 51.3íº¿ú, 54.5íº¿ú, 57.7íº¿ú, 61íº¿ú, 64íº¿ú, 77íº¿ú, 90íº¿ú, 102íº¿ú, 114íº¿ú, 127íº¿ú - Length (mm) : minimum 100mm ~ maximum 350mm 3. Material : Stainless Steel (STS 304), 2 PLY, 0.3T or 0.4T