Finish the custom intake or repair the existing one on your 2003-2004 Dodge 5.9L Diesel with the Intake Couplers & Elbows available. Available in 3.5" up to 6" diameter, and constructed from plastic, rubber, or silicone. You will find a vast selection of hump, straight, reducing, and 90-degree couplers. Get high-quality brands like Vibrant, Grand Rock, AFE, and Fleece Performance at XDP.