USE THE PULL-DOWN MENU ABOVE TO SELECT THE DIAMETER SIZE , THEN ADD TO CART ^ One metric GReddy Silicone hose coupling (as included with GReddy Turbo and Intercooler kits for charge and suction piping.) 3 ply (3.5mm) construction of Silicone and Nomex. Higher heat and corrosion resistance compared to the rubber hose. * For special order of out of stock hose please email: [email protected] Available in straight metric sizes: 11900841 Dia. 32mm x L60mm 11900842 Dia. 34mm x L60mm 11900843 Dia. 45mm x L70mm 11900844 Dia. 50mm x L70mm 11900845 Dia. 54mm x L60mm 11900846 Dia. 60mm x L70mm 11900847 Dia. 70mm x L70mm 11900848 Dia. 80mm x L80mm 11900849 Dia. 100mm x L100mm *For Reducer (Stepped) Hose see: (Here) and Boost Clamps (Here)