Shop Nilight Catalytic Converter for 2006 2007 2008 2009 2010 2011 Chevy Impala,Monte Carlo 3.5L 3.9L(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.