You�ll find the vast selection of Silicone Couplers & Boots you need to fabricate a custom intercooler tubing set up on your vehicle. These rubber or silicone boots offer greater longevity as they are reinforced for strength. From 2� all the way up to 6� in diameter, you�ll find the coupler to fit your needs. You can find the coupler you need, whether you need a reducing, hump, straight, or angled boot with a 45�90 degree bend. PPE, Vibrant, Mishimoto, and Full Send are just a few of the top brands available from XDP.