aFe 46-20060AS BladeRunner Intercooler Couplings & Clamps Kit - aFe Street Series Intercooler or Factory IntercooleraFe 46 20060AS BladeRunner Intercooler Couplings & Clamps Kit aFe Street Series Intercooler or Factory Intercooler Reinforced Silicone: These couplings features high temperature 5 Ply reinforced silicone material which meet or exceed SAEJ20 Standard. Coupling Hoses: Allow for expansion, movement, and extreme vibration between two hard pipes while reducing the possibility of connections coming apart or having your hard pipes or other equipment break.