Whether you're looking turn your stock truck into a high-performance race build or a hearty tow build, optimizing your truck's fuel consumption for performance and efficiency is critical. Take one step in the right direction with the Banks Boost Power Tube Upgrade Kit! Created using high quality steel and finished with a gray powdercoat for a stylish, corrosion and weather resistant look and feel, this Boost Tube Upgrade Kit is designed to provide your turbocharged engine with better spooling and breathing. Featuring a mandrel-bent tubing design with an increased 3" pipe diameter, the Boost Tube Upgrade Kit offers more effective cooling as it is designed to work with your truck's existing stock intercooler! Fitted towards the driver's side, this upgrade kit effectively lowers the temperature of inlet air, creating an ideal flow of cooler and denser air for the powerful 6.6L Duramax Engine. Designed for those who're looking to push their performance, start your build with the Banks Boost Tube Upgrade Kit for the 2004.5 - 2010 GM 6.6L Duramax trucks!