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SPELAB Hot Side Intercooler Pipe Kit For 2004.5-2010 6.6 LLY LBZ LMM Duramax Diesel

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Selected Variant SKU: SPIS08117
Regular price $165.77
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Description FAQ Shipping & Returns

For 2004.5-2010 LLY, LBZ, and LMM Duramax trucks, this hot side intercooler pipe kit replaces factory plastic with mandrel-bent aluminum tubing, silicone boots, and T-bolt clamps.

LLY/LBZ/LMM Duramax Hot Side Pipe Kit Overview

Upgrade the performance and durability of your Duramax engine with the SPELAB Hot Side Intercooler Pipe Kit, specifically designed for 2004.5–2010 GM 6.6L LLY, LBZ, and LMM diesel engines. This heavy-duty replacement eliminates the factory plastic pipe, which is prone to rupture under high heat and boost pressure. Featuring mandrel-bent aluminum construction and reinforced silicone boots, this kit is engineered to deliver superior strength, airflow, and reliability in demanding conditions.

Hot Side Intercooler Pipe Key Features

  • High-Performance Upgrade
    Replaces weak factory plastic pipe with strong, durable aluminum—ideal for stock or tuned trucks.

  • Mandrel-Bent 6061 Aluminum Pipe
    Offers improved airflow and withstands extreme heat without deforming or cracking.

  • Reinforced Silicone Boots & T-Bolt Clamps
    Triple-layer silicone boots withstand extreme pressure and temperature, while constant-tension clamps provide leak-free sealing.

  • Direct Bolt-On Fitment
    Includes all necessary clamps and couplings for easy installation using factory mounting points.

  • OEM Fitment with Quick Installation
    Designed to fit with factory components—no cutting or tuning required.

Hot Side Intercooler Pipe Fitment

  • 2004.5-2005 6.6L LLY Duramax Diesel
  • 2006-2007 6.6L LBZ Duramax Diesel (LBZ: 06-07 VIN Code 2 or D)
  • 2007.5-2010 6.6L LMM Duramax Diesel ( LMM: 07.5-10 VIN Code 6)

Product Specifications

Type Hot Side Intercooler Pipe Kit
Pipe Material Mandrel-Bent Aluminum
Coupler Material Triple-Reinforced Silicone
Pipe Diameter 3” (standard hot-side size)

What's Included in the Kit

  • 1 × Hot Side Intercooler Pipe

  • 2 × Silicone Boots

  • 4 × T-Bolt Clamps

Best For

  • 2004.5-2005 LLY, 2006-2007 LBZ, and 2007.5-2010 LMM 6.6L Duramax trucks
  • Owners replacing a cracked or aging factory plastic hot side pipe
  • Tuned or heavy-duty Duramax applications needing reinforced charge-air plumbing
  • Installations retaining the factory turbo and intercooler system