GM Duramax LML Intercooler Pipe & Boot Kit (2011-2016)

$299.99

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$299.99

GM Duramax LML — Intercooler Pipe & Boot Kit (2011–2016)

The factory piping on your 2011–2016 LML Duramax? It's holding you back. With sharp bends and narrow passages, it chokes airflow and raises EGTs—especially when you’re towing or running a tune. This Intercooler Pipe & Boot Kit ditches those weak spots and replaces them with 3-inch polished aluminum pipes and tough silicone boots. Better flow, cooler temps, and serious strength under pressure.


Key Features

  • 3" Polished Aluminum Pipes: Bigger and smoother than stock, helping your turbo spool faster and throttle feel more responsive.
  • Heavy-Duty Silicone Boots: Oil-resistant, multi-layer design holds strong under heat and boost—no more cracked or collapsed boots.
  • Real Performance Gains: Opens up airflow to drop EGTs and support more power. Whether you’re stock or tuned, you’ll notice the difference.
  • All-In-One Hardware Kit: Includes everything you need for a clean install—no extra trips or surprise parts needed.

Smoother Flow. Cooler Temps. Stronger Pulls.

Stock pipes are a known issue on the LML platform—they restrict flow and don’t hold up well under stress. This kit fixes that. With smoother piping and high-strength boots, you get better charge-air movement, lower temps, and improved efficiency. Whether you're daily driving or putting your foot down with a tune, you'll feel the upgrade. Bonus? The polished look under the hood is clean and tough.


Compatibility

  • 2011–2016 GMC Sierra 2500HD / 3500HD with 6.6L Duramax LML
  • 2011–2016 Chevrolet Silverado 2500HD / 3500HD with 6.6L Duramax LML

Built for Durability and Performance

Boosted pressure and heat can break down stock components over time. This Intercooler Pipe & Boot Kit is made to handle both—without leaks, cracks, or failures. It’s a reliable, no-nonsense upgrade that helps your Duramax breathe better and stay cool under pressure.


Note: We recommend professional installation. Be sure everything fits snug, and torque your clamps properly to keep the system tight and leak-free when you're under boost.

  • Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
  • Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
  • Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
  • Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
  • No Liability: DPFdelete is not responsible for any damage or issues that may arise from the use of these parts.
  • Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
  • No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

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