aFe Bladerunner Intercoolers Tube In I/C Tube In GM Diesel Trucks 04.5-10 V8-6.6L (td) LLY/LBZ/LMMThe aFe Bladerunner intercooler tubes produce 20 hp and 63 lbs. ft torque and outflow the factory tubes by 45 percent. With the increased flow of this intercooler tube it will reduce you exhaust gas temperatures by 100 deg.. This Part Fits: Year Make Model Submodel 2004 2005 Chevrolet Silverado 2500 HD Base 2004 2006 Chevrolet Silverado 2500 HD LS 2004 2010 Chevrolet Silverado 2500 HD LT 2007 2010 Chevrolet Silverado 2500 HD LTZ 2004 2010 Chevrolet