Get the Intake Couplers & Elbows you need to finish the custom intake or repair your existing intake on your 2021-2022 Jeep Gladiator JT 3.0L EcoDiesel. These couplers are constructed from plastic, rubber, or silicone, and come in 3.5" up to 6" diameter. Find a large selection of 90-degree, hump, straight, and reducing couplings. XDP carries top manufacturers such as Fleece Performance, Vibrant, Grand Rock, and AFE.