Get the Exhaust Adapters that will make customizing your 2008-2010 Ford 6.4L Powerstroke's exhaust a breeze. Reducers range in size from 3.5" and go all the way up to 7" diameter. The adapters are available in stainless and aluminized steel to ensure they match the proper application and climate. Find top brands like MBRP, Silverline, and Magnaflow today!