aFe 2017 Ford F-150 Raptor (tt) EcoBoost BladeRunner 3.5in to 3in Intercooler Tube Cold SideFlow and Performance: aFe Power's cold side tube is constructed from 3 1 2" and 3" mandrel bent aluminum tubing for maximum flow then, powder coated for a nice finish. The high temp powder coating also insulates the tube from engine heat and protects the tube from corrosion. The smooth transition bends decrease turbulence, minimize pressure loss, while increasing horsepower and torque. This tube is also equipped with a billet aluminum factory style