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About This Product

Banks massive 3.5" boost tubes are the largest on the market, flowing more air than stock! Smooth mandrel-bent tubes deliver more air to your engine while reducing boost pressure loss resulting in quicker turbo spool and more power.

This Boost Tube Upgrade Kit
fits the following vehicles:
_{click to expand}

Chevrolet

Chevrolet Silverado 2500

Chevrolet Silverado 2500 | 8.3L Diesel 2027

Chevrolet Silverado 3500

Chevrolet Silverado 3500 | 8.3L Diesel 2027

GMC

GMC Sierra 2500 HD

GMC Sierra 2500 HD | 8.3L Diesel 2027

GMC Sierra 3500 HD

GMC Sierra 3500 HD | 8.3L Diesel 2027

Boost Tube Upgrade Kit

Red powder-coated (Set)

SKU #26034

2027 Chevy/GMC 2500/3500 6.6L Duramax, L6P

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Boost Tube Upgrade Kit

Sold out

About This Product

Banks massive 3.5" boost tubes are the largest on the market, flowing more air than stock! Smooth mandrel-bent tubes deliver more air to your engine while reducing boost pressure loss resulting in quicker turbo spool and more power.

This Boost Tube Upgrade Kit
fits the following vehicles:
_{click to expand}

Chevrolet

Chevrolet Silverado 2500

Chevrolet Silverado 2500 | 8.3L Diesel 2027

Chevrolet Silverado 3500

Chevrolet Silverado 3500 | 8.3L Diesel 2027

GMC

GMC Sierra 2500 HD

GMC Sierra 2500 HD | 8.3L Diesel 2027

GMC Sierra 3500 HD

GMC Sierra 3500 HD | 8.3L Diesel 2027

Banks are engine people. In a world of companies making disparate parts, Banks engineers the entire engine, not just its components. The proof of Banks’ expertise is its list of national championships and world records as well as the biggest military engine contract of the century. Of all the possible options, the U.S. military chose the Banks D866T engine for its high performance and durability. With over 68 years of breakthroughs and patents in high-performance gas and diesel engine development —including turbocharging and drivetrain, Banks has no rival.

Gas & Diesel Performance for Cars, Trucks, Jeeps and Motorhomes
Copyright © 2026, Banks Power. All Rights Reserved.

*Flat-rate Ground Shipping on orders to 48 Contiguous United States only. Excludes new products and oversized packages. Offer valid on select products, some exceptions apply. Prices/Offer subject to change at anytime. Please call for details 800-601-8072

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