Shop Nilight Catalytic Converter for Nissan Altima 2.5L L4 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016,Custom Fit Cat (EPA Standard) in high quality, support 2 years warranty. Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding.