Universal 8 Piece 3" DIY Aluminum FMIC Intercooler Piping Polished U-Pipe Kit with Blue Couplers Made from High Quality Light Weight T6061 Aluminum. 3"(Outer Diameter) Piping Inlet / Outlet. Set includes: 8x Various Curved Pipes, 6x Straight Silicone Couplers 2x 90Degree Silicone Couplers and 16x T-Bolt Style Clamps. Custom DIY (Do it yourself) Piping Kit that is Perfect for all Turbo, Supercharger, Induction System DIY Projects. Color: Polished Pipes and Blue Couplers.