What is the main benefit of upgrading to the Banks Techni-Cooler System?

The main benefit is improved engine performance and durability. By cooling the boosted air charge more effectively, the system increases air density, which leads to more power and lower exhaust gas temperatures (EGTs). This allows the engine to run more efficiently and consistently.

Does this intercooler system require significant modifications for installation?

No, the Banks Techni-Cooler System is designed to accommodate stock mounting points. While professional installation is recommended for complex parts like this, it's engineered to fit without major modifications to your vehicle's existing setup.

What is the warranty period for the Banks Techni-Cooler System?

The Banks Techni-Cooler System comes with a 2-year warranty from the manufacturer. This warranty covers any defects in materials or workmanship that may occur during normal use.

Banks Power 04-05 Chevy 6.6L LLY Techni-Cooler System

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Specifications

Brand: Banks Power
Part #: 25978
UPC: 801279259782

Banks Power 04-05 Chevy 6.6L LLY Techni-Cooler System

Name: Banks Power 04-05 Chevy 6.6L LLY Techni-Cooler System
Brand: Banks Power
Price: 1459.00 USD
Availability: InStock

$1459.00

Fits 2004-2005 Chevy Silverado 2500 HD. Banks Power Techni-Cooler System improves airflow and density for more power and lower exhaust gas temps.

Key Features

Direct fit — verified for 2004-2005 Chevrolet Silverado 2500 HD, 2004-2005 Chevrolet Silverado 3500, 2004-2005 GMC Sierra 2500 HD, and 2004-2005 GMC Sierra 3500.
25% larger core area — Improves cooling capacity over the stock intercooler.
34% more volume — Packs cooler, denser air into the engine for improved performance.
Durable cast end tanks — Built to withstand high-boost conditions without rupturing.
3-inch mandrel-bent boost tubes — Designed for superior airflow into and out of the intercooler.
Lowers exhaust gas temps (EGTs) — Helps maintain consistent power and can improve fuel economy.

⚠️ 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

You get the Banks Power Techni-Cooler System for your 2004-2005 Chevrolet Silverado 2500 HD. This intercooler upgrade replaces the stock unit to help your engine run cooler and more efficiently. It's designed to handle higher boost levels without issues, making it a solid choice if you're looking to get more out of your 6.6L Duramax LLY engine.

The stock intercooler can be a bottleneck, especially when you're running more boost. This Banks system addresses that with a core that's 25% larger and has 34% more volume than the factory part. It also includes 3-inch mandrel-bent boost tubes and durable cast end tanks that are built to last under pressure. By cooling the air charge more effectively, you get denser air going into the cylinders, which means more power and lower exhaust gas temperatures (EGTs). This can also help improve fuel economy.