Upgrade your Duramax's performance and reliability with the MFM Cold Side Intercooler Pipe Kit. This kit includes a high-flow 3.5" aluminum intercooler pipe that directly replaces the factory plastic two-piece design. Featuring CNC-machined flanges with double O-ring seals, premium silicone boots, and stainless T-bolt clamps, this pipe delivers superior airflow, eliminates boost leaks, and withstands higher boost pressures. The integrated sensor bung allows easy reinstallation of the OEM intake temperature sensor for a seamless upgrade.

This direct bolt-on kit is compatible with 2017–2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks equipped with the L5P 6.6L Duramax engine. Perfect for stock or mildly modified trucks, it enhances airflow and reliability while maintaining a hassle-free installation process. It directly replaces GM part number 84189332, making it a precise and durable upgrade for your Duramax.

Features:

• High-flow 3.5" aluminum pipe reduces airflow restriction
• CNC-machined flange with double O-ring seal for perfect fit
• Premium silicone boot resists high boost pressures
• Stainless steel T-bolt clamps prevent blown factory boots
• Integrated sensor bung for OEM intake temperature sensor
• Direct bolt-on installation with no tuning or mods required
• Direct replacement for GM Part Number 84189332

Specifications:

• Material: 14-gauge aluminum
• Pipe Diameter: 3.5 inches
• Flange Type: CNC-machined with double O-ring seal
• Clamps: Stainless steel T-bolt
• Boot: Premium silicone
• Sensor Bung: Integrated for OEM intake sensor
• Fitment Type: Direct replacement, bolt-on
• Application: 2017-2019 Chevy/GMC 6.6L L5P Duramax
• OEM Part Replacement: GM 84189332
• Construction: One-piece, high-flow design

Included:

• (1) 3.5" Cold Side Intercooler Pipe
• (1) Silicone Boot
• (2) Stainless Steel T-Bolt Clamps
• (2) O-Rings

Fitment:

• 2017–2019 Chevrolet Silverado 2500HD / 3500HD 6.6L L5P Duramax
• 2017–2019 GMC Sierra 2500HD / 3500HD 6.6L L5P Duramax

Notes:

• 1 Year Warranty
• Directly replaces GM Part Number 84189332