Description 27mm outlet adaptor, suits 27mm (1-1/16”) I.D. hose (common size for Hyundai/Kia factory recirc hoses). Used to connect a recirculation hose to the venting outlet of the following GFB Blow-Off Valves: Mach 2 range (All) Hybrid range (All) Respons range (All) Deceptor Pro II range (All) SXV (T9302)