Fitment

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

Specifications

• Type: Hot Side Intercooler Pipe Kit
• Pipe Material: Mandrel-Bent 6061 Aluminum
• Coupler Material: Triple-Reinforced High-Temp Silicone
• Pipe Diameter: 3” (OEM-spec hot-side size)

Description

Upgrade performance and durability for your 2004.5–2010 GM 6.6L Duramax with the SPETUNER Hot Side Intercooler Pipe Kit (fits LLY, LBZ, LMM engines). This heavy-duty replacement eliminates the factory plastic hot-side pipe—known to rupture under high heat and boost pressure. Built with mandrel-bent aluminum and triple-reinforced silicone boots, this kit delivers superior strength, improved airflow, and unbeatable reliability for demanding driving conditions.

Key Features

• High-Performance Upgrade: Replaces fragile factory plastic piping with rugged aluminum—perfect for stock or tuned trucks.
• Mandrel-Bent 6061 Aluminum Pipe: Boosts airflow and resists extreme heat without warping, cracking, or deforming.
• Reinforced Silicone Boots & T-Bolt Clamps: Triple-layer silicone boots handle extreme pressure/temperatures, while constant-tension clamps ensure a 100% leak-free seal.
• Direct Bolt-On Fitment: Includes all clamps and couplings needed for easy installation using OEM mounting points.
• OEM-Compatible & Quick Install: Designed to work with factory components—no cutting, fabrication, or tuning required.

What's in the Box

• 1 × Hot Side Intercooler Pipe
• 2 × Silicone Boots
• 4 × T-Bolt Clamps