GM 12637647 Driver Side Exhaust Manifold 2001-2016 Duramax Max FlowNew
GM 12637647 is an update for the driver side exhaust manifold for your 2001-2016 GM 6.6L Duramax truck. It features a full bore, unlike the factory exhaust manifolds that were restricted, and will...
Description: GM 12637647 is an update for the driver side exhaust manifold for your 2001-2016 GM 6.6L Duramax truck. It features a full bore, unlike the factory exhaust manifolds that were restricted, and will...More Details »
Condition: New
Price: $389.95
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