You"ll find the vast selection of Silicone Couplers & Boots you need to fabricate a custom intercooler tubing set up on your 2003-2007 Ford 6.0L Powerstroke. These rubber or silicone boots offer greater longevity as they are reinforced for strength. To meet practically any need, a variety of couplers with straight, hump, reducing, and angled bends from 45 to 90 degrees are available. You can find couplers ranging in size from 2-inch all the way up to 6-inch diameter. PPE, Vibrant, Mishimoto, and Full Send are just a few of the top brands available from XDP.