aFe Bladerunner Intercoolers Tube Out 02-04 GM Diesel Trucks V8 6.6L (td) LB7aFe Bladerunner Intercoolers Tube Out 02 04 GM Diesel Trucks V8 6. 6L (td) LB7 The Bladerunner charge pipes produce 20 hp and 63 lbs. ft torque and outflow the factory tubes by 45 percent. With the increased flow of this Charge Pipe it will reduce you exhaust gas temperatures by 100 deg.. BladeRunner 3 IN Aluminum Cold Charge Pipe Black GM Diesel Trucks 02 04 V8 6. 6L (td) LB7