2011 Duramax Boost Tube Upgrade Kit (25959)

Fits

Get up to 105% greater flow area than stock for your Duramax with the Banks Power Boost Tube System. Produced from high-quality, 3.5" mandrel-bent aluminized steel, this boost tube will improve airflow allowing for a quicker turbo spool. Designed to work with the stock elbow or combine with the Banks 3.5" or 4" Monster-Ram to give your GM even more power. The spring-loaded constant tension clamps combined with the 4 and 5 ply heavy-duty silicone couplers maintain a stronger grip to prevent leaks or blown boots.

Banks Part Number: 25959

• Complete set of left and right side boost tubes with silicone couplers.
• Works with the stock or aftermarket intercooler with stock inlet and outlet size and location
• Huge increase in size and flow over stock (3.5-inch vs 2.5/3.38-inch)
• These boost tubes are designed for serious horsepower.
• Up to 105% greater flow area compared to stock.
• Constant diameter tubing for the best flow
• Mandrel-bent aluminized steel construction
• 4- and 5-ply heavy-duty silicone couplers
• Spring-loaded constant tension clamps
• Greater cooling capacity
• Perfect fit and finish
• Lower EGTs

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• Not compatible with 2011 Duramax with Active Brake Control/Trail Brake

• This kit is designed to work with the stock intercooler or aftermarket intercooler with stock inlet and outlet size and location.