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

GM Duramax LML Intercooler Pipe & Boot Kit 

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.

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Vehicle Compatibility

• Years: 2011-2016
• Makes: Chevrolet Silverado, GMC Sierra
• Models: 2500HD, 3500HD
• Engine: 6.6L Duramax LML (diesel)
• Body: Pickup

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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.

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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.

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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.