Unlock more power with Banks’ massive 3.5" Boost Tubes—built to flow 87% more air than stock and outsize the competition. Made from durable aluminized steel with smooth mandrel bends, these tubes improve boost pressure, deliver quicker turbo spool, and maximize horsepower. Say goodbye to restrictive 2.5" factory pipes and weak plastic—Banks Boost Tubes are engineered for serious performance.
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Banks Power
2017-2019 Duramax Boost Tube Upgrade Kit (25999)
$867.10 CAD
Performance part for diesel trucks. Please confirm compatibility before purchasing.
Description
Description
Fits
| Year | Make | Model | Engine |
| 2017-2019 | Chevrolet/GMC | 2500/3500 | 6.6L L5P Duramax |
Part Number: 25999
Features
- Improves airflow by 87% over stock
- Flows 680 CFM vs 364 CFM stock
- Huge increase in size and flow over stock and competitors (3.5" vs 2.5")
- Billet venturi couplers maintain boost pressure
- Mandrel-bent aluminized steel construction
- Constant diameter tubing for the best flow
- Allow the turbocharger to spool up faster
- Spring-loaded constant tension clamps
- 5-ply heavy-duty silicone couplers
- Greater cooling capacity
Compatible trucks
Shipping info
Please refer to our Shipping policy. As a general rule, we ship out all orders in 24-72 hours using services like Purolator and other, and always provide you with a tracking number.
Disclaimer & warranty
Please refer to our Disclaimer and Warranty pages.
Planning a larger purchase? Feel free to reach out to discuss a possible discount.
If you have any questions or need help with your order, you’re always welcome to contact us directly.
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Grand opening giveaway is ON 🔥
$1000 CAD and an S&B intake up for grabs! Be one of the first 10 to spend $1,000 CAD in a single order and you’re entered to win $1,000 back. For all orders: leave us a review by March 31 for a shot at an S&B intake. Intake draw happens April 14.
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