The standard OE specification flanges are designed for easy installation. Bolt-on connection, direct installation to existing exhaust system without doing the extra modification. Fitment 2012 Ford Focus 2.0L2013 Ford Focus 2.0L2014 Ford Focus 2.0L2015 Forcertifications:OBD-II , Federal EPA , Non-CARB, material:Stainless steel, restricted states:California, new york, colorado, maine, fitment type:Direct replacement, substrate:Ceramic, warranty:5 years or 50,000 miles limited