Fitment Information Nissan Altima Sedan 2.5L & 3.5L with Clamp-on Type factory Exhaust (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016) Will not fit Altima sedan with flange type factory exhaust Specs & Features 102mm Exhaust Tips Bolt On Exhaust Deep, clean sound - Muffler Delete is very loud Polished Stainless Steel Piping Beautiful and strong TIG welds Mandrel bent piping for smooth exhaust flow Includes new bolts and gaskets for easy install Top Speed Pro 1 has been known for its popular exhaust systems due to the unique sound, excellent fitment, high performance and awesome looks.  These exhaust systems are designed to provide the smoothest exhaust flow from their enlarged mandrel bend piping which increases horsepower and torque.  Each exhaust features a unique Top Speed muffler to provide a distinct modified sound and quality flanges and hangers for great fitment.