The aFe charge pipe represents the next generation of gas truck performance products. BladeRunner charge pipe is a 3 inch - 3-1/2 inch CNC mandrel bent black powder-coated aluminum tube. The charge pipe increases flow while adding 10 horsepower and 12 pounds x feet torque to the rear wheels. Perfect Fit: Tube lines up directly to factory intercooler and comes with silicone couplers for an OE quality seal and fit. Flow and Performance: Constructed of 3 inch to 3-1/2 inch smooth aluminum tubing for maximum flow. Smooth transition mandrel bends reduce turbulence while increasing horsepower and torque. Installation is a snap: Simply clean installation. Every aFe charge pipe comes with all the necessary hardware. Legal in California only for racing vehicles which may never be used upon highway.