12637647 Updated Driver Side Exhaust Manifold, 2001-2016 GM 6.6L Duramax
12637647 Updated Driver Side Exhaust Manifold, 2001-2016 GM 6.6L Duramax is backordered and will ship as soon as it is back in stock.
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12637647 Updated Driver Side Exhaust Manifold, 2001-2016 GM 6.6L Duramax is backordered and will ship as soon as it is back in stock.
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Description
Greatly increased flow characteristics over the original unit. A great alternative to higher priced after market manifolds.
For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax
Hi Flow left hand manifold.Bolt in factory replacement. GM has introduced a new manifold that will flow better then the original OEM unit. Reduced pinch area near steering shaft for a nearly ideal flow. Greatly increased flow characteristics over the original unit. A great alternative to higher priced after market manifolds.
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