Duramax Intercooler Kit - Black

Features:

• Includes intercooler, pipes, boots, and clamps
• Bar-and-plate intercooler core design
• Mandrel-bent aluminum piping improves airflow
• DuraCore silicone boots resist heat and pressure
• Polished piping for a clean engine bay look
• Cast aluminum end tanks for durability
• Reduces EGTs and intake air temperatures
• Supports high-horsepower and towing builds
• Constant-tension T-bolt clamps included
• Offered in stealth black or sleek silver
• Backed by Mishimoto Lifetime Warranty

Durable Intercooler Kit for GM 6.6L Duramax

If your 2002–2004 Duramax is running hot under pressure or you’re looking to support serious power gains, the Mishimoto Intercooler Kit in black is exactly what your truck needs. This isn’t just a basic intercooler swap—this is a full system built to handle everything from heavy towing to high-performance builds. Whether you're chasing lower EGTs, cooler intake temps, or just want a system that won't let you down, Mishimoto has checked all the boxes here. At the heart of the kit is Mishimoto’s upgraded bar-and-plate intercooler, featuring thick cast aluminum end tanks and a much larger core volume than stock. That means cooler, denser air hitting your cylinders and more power under load. But Mishimoto didn’t stop at just the intercooler. They paired it with a full mandrel-bent aluminum piping upgrade to get rid of the factory restrictions that choke airflow. The result? Better throttle response, improved turbo efficiency, and more consistent performance.

Premium Construction & Design

Holding it all together are Mishimoto’s premium silicone boots, reinforced with their exclusive DuraCore technology. These are built to resist heat, oil, fuel, and pressure like nothing else on the market. No more worrying about ballooned boots or blown connections. The included constant-tension T-bolt clamps seal everything up tight and stay that way, even when the temps climb or the boost spikes. Whether you’re cruising cross-country with a trailer or pushing big power numbers on the dyno, this intercooler kit gives your LLY the breathing room it deserves. It bolts right in place of your factory setup, no cutting or welding needed, and it’s backed by Mishimoto’s lifetime warranty—because when you invest in performance, reliability shouldn’t be a question.

Fits: 2002, 2003, 2004 GM 6.6L Duramax