High-Flow Exhaust Manifold Driver Side XD342 XDP


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Replace the exhaust manifold in your 2001-2016 GM 6.6L Duramax with the XDP Driver Side High-Flow Exhaust Manifold XD342. The XD342 has an unrestricted high-flow design that eliminates the dented or kinked driver side exhaust manifold that comes factory equipped on the 2001-2010 GM 6.6L Duramax powered trucks.

On the 2011-2016 LML models this manifold is a direct-replacement for the LML trucks as they already come with the high-flow style exhaust manifold. Each manifold features a durable cast construction and includes the gaskets and hardware needed for installation.

  • Direct Replacement
  • Eliminates Kinked Manifold (2001-2010 Trucks)
  • GM OE Cross Reference: 12624684,12637647,97224587

Application Notes:

  • High-flow upgrade is only on 2001-2010 trucks.
  • Some factory hardware and fasteners will be re-used during installation.
  • This is a factory-style replacement on the 2011-2016 GM 6.6L Duramax LML.

Warranty Info:
Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit.