You'll find the vast selection of Silicone Couplers & Boots you need to fabricate a custom intercooler tubing set up on your 2017-2025 Ford 6.7L Powerstroke. Constructed with durable rubber or silicone, these couplers are also reinforced for greater reliability. You can find couplers ranging in size from 2" all the way up to 6" diameter. Straight, hump, reducing, and angled couplers ranging in 45 to 90 degree bends are available to fit almost any need. Vibrant, PPE, Full Send, and Mishimoto are the brands available at XDP.