Product Details Home > Product > Product Details Products Details MBRP 4″ INSTALLER SERIES FILTER-BACK EXHAUST SYSTEM|2015-2016 FORD 6.7L POWERSTROKE (ALL CABS & BEDS) Part Number: SKU: S6287ALBKSJ Categories: 2011-2016 6.7L Powerstroke, Exhaust Systems Call us now for our best price (574) 349-4354 Product Description Extra Info: MBRP Exhaust Installer Series, Filter Back System. 4in. Filter Back; Single Side Exit; AL