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01-2011 6.6L Duramax Diesel High Flow Updated LH Exhaust Manifold

01-2011 6.6L Duramax Diesel High Flow Updated LH Exhaust Manifold
01-2011 6.6L Duramax Diesel High Flow Updated LH Exhaust Manifold
$360.41

  • Part Number: 12637647
  • Est. Ship Time: Contact to Confirm Availability
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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 charecteristics over the original unit. 
 
A great alternative to higher priced after market manifolds. 
 
GM: 12637647
 
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