Finishing the custom intercooler piping on your 2020 Chevy/GMC 3.0L Duramax with the V-Band Clamps & Flanges available. There are other parts available, such as exhaust housing flanges and adapters for the turbocharger's inlet flange. V-band kits range in size from 3", 3.5", 4" and 5" diameter and come in stainless steel or aluminum to match your existing components. Turbosmart, BD-Power, Vibrant, and PPE a just some of the industry leading names you can find for your project.