Complete the cold air intake system on your 2020-2022 Ram 1500 3.0L EcoDiesel with Intake Couplers & Elbows. Manufactured out of rubber, silicone, or plastic, these couplers come in various sizes ranging from 3.5" all the way up to 6" diameter. Couplers are offered in reducing, 90-degree, hump, and straight for various needs. Get high-quality brands like Vibrant, Grand Rock, AFE, and Fleece Performance at XDP.