aFe 46-20454-B BladeRunner Aluminum Hot and Cold Charge Pipe Kit BlackaFe 46 20454 B BladeRunner Aluminum Hot and Cold Charge Pipe Kit Black Flow and Performance: Smooth transitions between the aluminum tubing and the silicone hoses decrease turbulence and minimize pressure loss, increasing horsepower and torque. Premium Hardware: This pipe kit includes high quality, stainless steel, SmartSeal clamps and heavy duty, 5 ply, polyester reinforced silicone couplings. This charge pipe kit features factory style billet