Fabricate a custom intercooler tubing set up on your 2007-2008 Jeep Grand Cherokee 3.0L CRD with the vast selection of Silicone Couplers & Boots available. These couplers are constructed with durable rubber or silicone and are reinforced for greater strength. Find the coupler or boot you need with a variety of sizes from 2" up to 6" in diameter. Whether you need a reducing, hump, straight, or an angled boot ranging from 45 to 90-degree bend, you'll find the coupler you need. You'll find top brands such as Vibrant, PPE, Full Send, and Mishimoto brand products available at XDP.