Exhaust Manifold for 2010-2017 Buick, 2008-2014 Chevrolet, 2009-2010 Pontiac, 2009 Saturn Dorman 674-937 SPELAB Replacing or upgrading your exhaust manifold is necessary for both engine performance and sound. Whether on or off the track, the exhaust manifold provides more horsepower and improved exhaust sound. Fitment: OEM Part Number: ‎101551; 663432; 12615133; 12630741; 12643496 [Buick Allure: 2010] [Buick LaCrosse: 2010, 2011, 2012, 2013, 2014, 2015, 2016] [Buick Regal: 2011, 2012, 2013, 2014, 2015, 2016, 2017] [Buick Verano: 2012, 2013, 2014, 2015, 2016, 2017] [Chevrolet Impala: 2014] [Chevrolet Malibu: 2008, 2009, 2010, 2011, 2012, 2013, 2014] [Chevrolet Orlando: 2012, 2013, 2014] [Pontiac G6: 2009, 2010] [Saturn Aura: 2009] Specifications: Brand Name: SPELABCertificate: ISO9001:2000Application: Automobile Exhaust ManifoldMaterial: Stainless Steel Features: Tubular manifold design with better exhaust flow and delivers more top-end power Equal-length runners for balanced exhaust reversion and enhanced turbo performance Mandrel bent pipes to maintain the free flow Head flanges flattened by a hydraulic press to ensure a leak-free seal Chrome plating on flanges to increase corrosion resistance and surface hardness All joints TIG welded for great resistance against cracking and wearing