6″ Long High Performance 4-Ply Reinforced 3.5″ ID Straight Coupler Silicone H…
6″ Long High Performance 4-Ply Reinforced 3.5″ ID Straight Coupler Silicone Hose Turbo/Intercooler/Piping (BLUE 3.5″). 4-Ply Reinforced High Temperature Silicone Coupler and The hose material is high quality silicone.