When it comes to your diesel truck, you need only the best parts to keep it running at peak performance. That's why you need the AFE 46-20091 GT Intercooler for your 7.3 Powerstroke. This intercooler is 100% TIG-welded for the strongest possible construction and includes larger-than-stock vanes for better cooling efficiency. Plus, the 3.5" inlets and outlets make for easy installation. Don't trust just any intercooler - trust the best with AFE.