Fix or customize the exhaust on your 2011-2016 Ford 6.7L Powerstroke when you choose one of the Exhaust Adapters. These adapters are constructed from aluminized and stainless steel to ensure they match your existing application and exhaust system. Reducers range in size from 3.5" and go all the way up to 7" diameter. Get industry leading manufacturers such as Silverline, Magnaflow, and MBRP.