Cold Side Intercooler Pipe for 2006-2010 LMM LBZ Chevy / GMC 6.6L Duramax

3.5" Cold Side Intercooler Pipe Kit For 2006–2010 6.6L LBZ LMM Duramax Diesel

Upgrade your LBZ / LMM Duramax diesel engine with our 3.5'' Cold Side Intercooler Pipe Kit. This kit replaces the restrictive factory plastic cold-side pipe with durable aluminum pipes, reinforced silicone couplers, and heavy-duty clamps.

This charge pipe upgrade provides improved airflow capacity, stronger boost handling, and long-term reliability.

Fitment

• 2006–2007 GMC / Chevy 6.6L LBZ Duramax Diesel (8th number of VIN Code D)

• 2007.5–2010 GMC / Chevy 6.6L LMM Duramax Diesel (8th number of VIN Code 6)

💡How to tell whether you have LBZ or LMM engine?

Look at the 8th digit of the VIN number, a "D" is an LBZ, a "6" is an LMM.

For more information on how to identify which Duramax series you have, check FAQ: How to determine which Duramax engine I have?.

Key Features

Heavy-Duty 3.5" Cold Side Intercooler Pipe

Mandrel-Bent 6061 Aluminum Construction

Reinforced Triple-Layer High-Temperature Silicone Boot

Comes with T-bolt clamps and heater hoses

OEM Intercooler Compatible Design, No cutting or modification needed

Intercooler Pipe Specifications

What's Included in the Box

• 2 × 3.5" Cold Side Intercooler Pipes

• 1 × Reinforced Silicone Boot

• 2 × Heavy-Duty T-Bolt Clamps

• 2 × 5/8" Heater Hoses

FAQ

Q: Will this intercooler pipe kit fit both LBZ and LMM Duramax engines?
A: Yes. This kit is designed specifically for 2006–2007 LBZ and 2007.5–2010 LMM 6.6L Duramax diesel engines, ensuring proper fitment and performance.

Q: Do I need to tune my truck after installing this kit?
A: No tuning is required. This is a direct bolt-on upgrade that works with factory ECU settings.

Q: Is this compatible with the stock turbo and intercooler?
A: Yes. The kit is engineered to work perfectly with factory turbochargers and intercooler systems.

Q: What size is the cold side intercooler pipe?
A: The pipe features a 3.5-inch diameter, allowing for improved airflow and better boost efficiency compared to the factory design.

Q: Are all clamps and hoses included for installation?
A: Yes. The kit includes reinforced silicone couplers, T-bolt clamps, and heater hoses, providing everything needed for a complete installation.

Q: How to determine which Duramax engine I have?

A: The simplest way to verify which Duramax series you have is to interpret the VIN# of the truck. With some exceptions, the 8th digit is the engine ID and it will either be a 1, 2, D, 6, 8, L, or Y.

• 01-04.5 LB7 is a 1
• 04.5-05 LLY is a 2
• 06 LLY is a 2 (uses same injectors as LBZ)
• 06-07 LBZ is a D
• 07-10 LMM is a 6 (new body style GMT 900 series)
• 11-16 LML is an 8
• 11-16 LGH is an L (Van application)
• 17+ L5P is a Y

Example: 1GCHK29143EXXXXXX for LB7 and 1GCHK29245EXXXXX for LLY.

Fast Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy.

Easy Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy.