GM 12637647 Updated Driver Side Exhaust Manifold

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List Price: $119.15
XDP Price: $99.95
You Save: $19.20 (16 %)

Application:
2001-2013 GM 6.6L Duramax
Manufacturer: GM
Mfg. Number: 12637647
XDP Part Number: GM12637647

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The GM 12637647 Updated Driver Side Exhaust Manifold for your 01-10 GM 6.6L Duramax features a "full bore" unlike the factory exhaust manifold that is "kinked or dented" for additional clearance. The increased flow will "balance" the engine and provide increased spool-up, throttle response and better overall performance. This GM OE Part is built with the same quality as your factory exhaust manifold.

Features:

  • GM OE Exhaust Manifold
  • Upgrade On 01-10 Duramax Trucks
11-13 LML Note: Because this is the factory manifold that comes on the 11-13 LML Duramax it is simply a replacement part for the LML and not an upgrade like the 01-10 trucks with the "kinked" exhaust manifold. Exhaust manifold gasket not included.

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2001-2010 GM 6.6L Duramax