Mishimoto 3.5-Inch Cold Side Intercooler Pipe and Boot Kit for Select Chevrolet/GMC 2007-2020 (6.6L)

Fits select 2007-2020 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L).

The Mishimoto Cold Side Intercooler Pipe and Boot Kit is engineered to optimize the charge air path for your Duramax engine. By replacing restrictive factory piping with 3.5-inch mandrel-bent aluminum, this kit significantly improves airflow and helps reduce Exhaust Gas Temperatures (EGTs). The polished finish provides a clean, professional look under the hood, while the increased diameter ensures your turbocharger can deliver air more efficiently.

This kit includes durable silicone boots designed to withstand high boost pressures and repeated heat cycles, providing a more reliable connection than factory rubber components. Installation is a direct-fit process that requires no additional tuning, making it a straightforward upgrade for improved performance and reliability.

• 3.5-inch mandrel-bent aluminum construction eliminates restrictive bends
• Polished finish for enhanced engine bay aesthetics
• Improves airflow, power delivery, and reduces EGTs
• Includes heavy-duty silicone boots and required hardware
• Direct-fit for select 2007-2020 GM 6.6L Duramax diesel applications
• Manufacturer Part Number: MMICP-DMAX-11CBK