What is DuraCore technology in the silicone boots?

DuraCore is a synthetic material used in the innermost layer of Mishimoto silicone diesel boots. It offers better resistance to heat, pressure, fuel, and oil compared to standard silicone, which helps prevent leaks and extend the life of the boots.

Does this kit require any tuning for my Duramax?

No, this hot-side intercooler pipe and boot kit is designed as a direct bolt-on upgrade and does not require any additional tuning for your 6.6L Duramax engine.

What is the benefit of the larger 3-inch pipe compared to the stock 2.5-inch pipe?

The factory hot-side pipe often has restrictive bends and a smaller diameter. The Mishimoto 3-inch pipe offers a smoother path for airflow, allowing the turbo to push more air into the engine, which can result in improved power and efficiency.

Mishimoto 11+ Chevy 6.6L Duramax Hot-Side Pipe and Boot Kit

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Specifications

Brand: Mishimoto
Part #: MMICP-DMAX-11HBK
UPC: 748354016550

Mishimoto 11+ Chevy 6.6L Duramax Hot-Side Pipe and Boot Kit

Name: Mishimoto 11+ Chevy 6.6L Duramax Hot-Side Pipe and Boot Kit
Brand: Mishimoto
Price: 431.05 USD
Availability: InStock

$431.05

Only 3 left in stock

Fits 2007-2020 Chevrolet Silverado 3500 HD. This Mishimoto hot-side intercooler pipe kit improves airflow for more power and lower EGTs.

Key Features

Fits 2007-2020 Chevrolet Silverado 3500 HD and 2011-2016 GMC Sierra 2500 HD/3500 HD.
3.0-inch diameter mandrel-bent aluminum polished pipes replace restrictive factory bends.
Improves airflow, leading to potential gains in power and lower exhaust gas temperatures (EGTs).
Silicone boots feature DuraCore technology for superior resistance to heat, pressure, fuel, and oil.
Includes constant-tension T-bolt clamps for a secure and consistent connection.
Direct bolt-on installation requires no additional tuning.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

If you're looking to get more out of your 6.6L Duramax engine, especially in a 2007-2020 Chevrolet Silverado 3500 HD or similar GMC truck, upgrading the hot-side intercooler pipe is a smart move. The factory piping can be restrictive, with bends that choke airflow and limit what your turbo can do. This Mishimoto kit replaces that with a larger, smoother 3-inch diameter pipe designed to let your engine breathe easier.

This kit is a direct bolt-on, meaning it's designed to fit right in place of your stock pipe without needing any welding or fabrication. It's made from mandrel-bent aluminum with a polished finish, which helps maintain consistent airflow and looks good under the hood. The silicone boots use Mishimoto's DuraCore technology, which is built to resist the high heat, pressure, fuel, and oil found in diesel engines, helping to prevent leaks and blowouts over time. To ensure a secure connection, it comes with constant-tension T-bolt clamps that provide reliable holding power.

This hot-side pipe is a great addition if you're looking to improve your truck's performance, potentially seeing gains in power and lower exhaust gas temperatures (EGTs). It's made in the USA and backed by Mishimoto's lifetime warranty.