ID: 1.75" (45mm). We will do our best to solve it and satisfy you.
USA 2.75" ID 30 Degree Elbow Coupler Silicone Hose Turbo Intercooler Pipe Black
HPS HTSER45-150-175-BLK 1.5" To 1.75" 38mm-45mm ID ELB Coupler Hose Black 45-DEG
Draco DRA-L10.1.875.175, One Purple Steel Coilover Spring 1.875In Id 10In Tall 1
HPS HTSEC135-175-BLUE 1.75" 45mm ID Elbow Coupler Hose 4-ply Blue 135-DEG
HPS ST-3F-175-HOT 1.75" 45mm ID Straight Coupler Hose Orange 3" L 500F 260C
HPS HTST-3F-175-BLUE 1.75" 45mm ID Straight Coupler Hose Blue 3' L 350F 177C
