Cold Side Intercooler Pipe Upgrade For 2017-2019 Chevy GMC 6.6L Duramax L5P

This Cold Side Intercooler Pipe Upgrade is designed for 2017–2019 Chevy and GMC 6.6L Duramax L5P diesel engines and replaces the factory cold side charge pipe with a 3-inch diameter aluminum upgrade to help improve airflow and boost retention. The factory cold-side pipe for the L5P is 2.5 inches, which can cause boost loss, reduced throttle response, and poor drivability. This cold side intercooler pipe upgrade is ideal for daily driving, towing, hauling, and diesel performance use.

Fitment

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

Product Details

• Pipe Diameter: 3 inches throughout with smooth transitions to significantly increase airflow
• Material: Aluminum construction
• Design: Two-piece assembly for ease of install
• Connection Fitting: CNC-machined quick-disconnect fitting with new o-ring and spring clip to ensure a secure and leak-free fit
• Included Hardware: Constant-tension T-bolt clamps for accurate and consistent holding power
• Silicone Boots: Included silicone boots with superior resistance to heat, pressure, fuel, and oil
• Sensor Bung: Retains the intake air temp harness mounting location for safe and secure wire routing

Installation

This cold-side intercooler pipe is a direct bolt-on upgrade that fits the 2017-2019 L5P without modifications. No tuning required and will not trigger warning lights on factory systems.

Check local emissions regulations before purchase. Professional installation is recommended.

Get the right part the first time.