Mishimoto MMICP-DMAX-045HBK Black Intercooler Pipe Kit for 04-05 GM 6.6L D

Vehicle Fitment

• 2004-2005 Chevrolet & GMC 2500HD/3500HD with 6.6L LB7/LLY Duramax diesel

Features

• Direct-fit intercooler pipe upgrade for Duramax diesel charge-air systems
• Mandrel-bent aluminum intercooler pipes for smooth airflow and strength
• Black powder-coated finish for corrosion resistance and a clean engine bay look
• Replaces restrictive factory plastic or OEM piping
• Enhanced airflow supports more consistent boost response
• Improved thermal stability compared to stock intercooler plumbing
• Includes high-quality clamps for reliable, leak-resistant connections
• Backed by Mishimoto Lifetime Warranty for long-term reliability

Specifications

• Material: Mandrel-bent aluminum
• Finish: Black powder coat
• Pipe Diameter: ~3.0 in (optimized for airflow)
• Clamps: Heavy-duty constant-tension T-bolt clamps
• Installation: Direct replacement, moderate difficulty (basic hand tools recommended)
• Compatibility: Works with stock intercooler and mounting points

Included Components

• 2x Black powder-coated aluminum intercooler pipes
• 4x Reinforced silicone boots
• 8x Constant-tension T-bolt clamps

Product Description

The Mishimoto MMICP-DMAX-045HBK Black Intercooler Pipe Kit is a performance-oriented upgrade designed for 2004-2005 Chevrolet and GMC 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine. This kit replaces the restrictive original intercooler plumbing with mandrel-bent aluminum pipes that offer smoother airflow and improved durability over the stock components. The black powder-coated finish protects against corrosion while providing a clean, factory-inspired appearance under the hood.

By optimizing the airflow path through the intercooler system, this intercooler pipe kit helps support more consistent turbo boost response and better thermal stability during heavy use. The included heavy-duty constant-tension T-bolt clamps ensure secure, leak-resistant connections for long-term reliability. Ideal for daily drivers, towing, or owners looking to strengthen their Duramax's charge-air system, this kit delivers enhanced performance and lasting durability backed by Mishimoto's Lifetime Warranty.