aFe 46-20338-B BladeRunner 3 IN Aluminum Hot Charge Pipe BlackaFe 46 20338 B BladeRunner 3 IN Aluminum Hot Charge Pipe Black This BladeRunner intercooler tube kit delivers 38% more flow and is more robust to handle higher horsepower and boost than the factory intercooler tube on the 2017 2019 GM L5P diesel. TIG welded and designed from aircraft grade, mandrel bent aluminum tubing, the BladeRunner I C tube features factory mounting locations, quality hardware and 5 ply silicone couplings for a secure, hassle free