Get the Exhaust Adapters that will make customizing your 2021-2022 Jeep Gladiator JT 3.0L EcoDiesel's exhaust a breeze. Adapters are available in a wide range of materials like Aluminized and stainless-steel to properly match your existing exhaust application. Y-pipes and exhaust reducers typically start at 3.5" and go all the way to 7" in diameter so that they can be used in a wide variety of applications. Find high-quality products and components from MBRP, Magnaflow, and Silverline.