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Banks massive 3.5" boost tubes are the largest on the market, flowing 26-45% 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.
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Another great product from Banks
Quality and design is amazing, Daylight to darkness from Gale Banks to stock boost tubes. With the added Banks cold air intake and the turbo inlet elbow this made my 2024 GMc 3500hd duramax come alive. Truck feels so light and throttle response is so very impressive. I would not trust any other brand besides Banks. I have since added a Petal Monster, Derringer programmer and Monster exhaust all from Banks.
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Todd · September 27, 2026
Boost tube upgrade
Biggest upgrade so far at least the most noticeable power improvement. Quality equipment and easy install. I would definitely recommend purchasing this for more power and a cooler running engine.
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Eric · September 23, 2026
Notice a difference as soon as you fire it up. Fit exact the walk through video on the banks site was perfect. Would have liked to have blue as my color but color doesn’t add horse power.