aFe 46-20334-B BladeRunner 3 IN & 3-1/2 IN Aluminum Hot and Cold Charge Pipe Kit BlackaFe 46 20334 B BladeRunner 3 IN & 3 1 2 IN Aluminum Hot and Cold Charge Pipe Kit Black This BladeRunner intercooler tube kit delivers more flow and is more robust to handle higher horsepower and boost than the factory intercooler tubes on the 2017 2019 GM L5P diesel. TIG welded and designed from aircraft grade, mandrel bent aluminum tubing, the BladeRunner I C tube kit features factory mounting locations, quality hardware and 5 ply silicone couplings