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