Banks Power 25993 Boost Tube Upgrade Kit for 2012-2016 Chevy/GMC 2500/3500 6.6L

Vehicle Fitment

• 2012-2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LML
• 2012-2016 GMC Sierra 2500HD/3500HD 6.6L Duramax LML

Features

• Up to 105% greater airflow compared to stock boost tubes
• Mandrel-bent aluminized steel construction for durability
• Constant 3.5" diameter tubing optimizes turbo efficiency
• 4- and 5-ply heavy-duty silicone couplers for secure connections
• Spring-loaded constant tension clamps ensure leak-free seals
• Reduces turbo spool time and improves throttle response
• Lowers exhaust gas temperatures during heavy loads
• Compatible with stock and aftermarket intercoolers

Specifications

• Material: Mandrel-bent aluminized steel
• Diameter: 3.5 inches constant
• Flow Increase: Up to 105% over stock
• Couplers: 4- and 5-ply silicone
• Clamps: Spring-loaded constant tension
• Compatibility: Stock or aftermarket intercoolers with stock inlet/outlet sizes
• Emissions: 50-state legal (CARB EO D-161-123)
• Estimated Installation Time: 4 hours

Included Components

• 1x Hot side boost tube
• 1x Cold side boost tube
• 2x 4-ply silicone couplers
• 2x 5-ply silicone couplers
• 4x Spring-loaded constant tension clamps

Product Description

The Banks Power 25993 Boost Tube Upgrade Kit enhances the airflow of your 2012-2016 Chevy or GMC 2500HD/3500HD equipped with the 6.6L Duramax LML engine. By replacing the restrictive stock boost tubes with mandrel-bent aluminized steel tubes, it improves turbocharger efficiency by up to 105%, resulting in quicker spool times and enhanced throttle response.

This upgrade lowers exhaust gas temperatures under heavy loads and is designed for use with both stock and compatible aftermarket intercoolers. The kit features durable silicone couplers and spring-loaded clamps to ensure secure, leak-free connections, making it an excellent choice for owners seeking improved performance and reliability.

Installation is straightforward, requiring approximately 4 hours, and delivers noticeable power gains for towing, hauling, or everyday driving.