Banks 25977 Techni-Cooler System | 2002-2004 Silverado/Sierra 2500HD/3500HD 6.6L

• Improves Power, Durability & Fuel Economy
• 25% thicker core with 34% more volume
• 3 inch mandrel-bent boost tubes
• High-efficiency custom-machined end tanks
• Accommodates stock mounting points
• 2-year Warranty

Eliminate Restrictions for More Powerful Performance

Your 2002-2004 GM 6.6L Duramax thrives on fresh, cold air to deliver peak performance. Give your engine the upgrade it deserves with the Banks Techni-Cooler System. Designed to significantly enhance both cooling capacity and airflow, this system starts with a 25% thicker core, resulting in a 34% increase in flow volume for improved air intake efficiency. The 3-inch mandrel-bent boost tubes are built to handle this increased airflow, ensuring smooth and uninterrupted delivery of air to the engine. The result is a more efficient Duramax with quicker throttle response, reduced engine gas temperatures, and better fuel efficiency. Whether you're towing heavy loads, driving in tough conditions, or looking to improve overall performance, the Banks Techni-Cooler System ensures your Duramax runs cooler, safer, and more powerfully.

Built Tough for Long-Lasting Functionality

Banks designed the Techni-Cooler System with high-performance applications in mind, ensuring it can handle the rigorous demands of your 2002-2004 GM 6.6L Duramax. Built to perform under high-boost and high-pressure conditions, this system features premium end tanks made from high-strength aluminum. These durable end tanks are specifically crafted to improve upon the stock design and prevent common issues such as cracking, warping, or other damage. The mandrel-bent boost tubes come with a red powder-coat finish, adding a bold pop of color to your Duramax's engine bay while providing extra protection against corrosion and wear. Utilizing stock mounting points, the Techni-Cooler offers a hassle-free installation, complete with all the necessary mounting hardware for a seamless upgrade. With the Banks Techni-Cooler System, you'll enjoy a more efficient and reliable Duramax.