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.

LMM LBZ Duramax Cold Side Intercooler Pipe Kit 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?.

LMM LBZ Duramax Cold Side Intercooler Pipe Kit 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

LMM LBZ Duramax Cold Side Intercooler Pipe Kit Specifications

What's Included in the LMM LBZ Duramax Cold Side Intercooler Pipe Kit

• 2 × 3.5" Cold Side Intercooler Pipes

• 1 × Reinforced Silicone Boot

• 2 × Heavy-Duty T-Bolt Clamps

• 2 × 5/8" Heater Hoses

LMM LBZ Duramax Cold Side Intercooler Pipe Kit FAQs

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.

Free & 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.

Free & 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.