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Your cart is empty.Description Bellmouth Velocity Stack, 3.5 Inlet O.D. x 6 Bellmouth O.D. Material T6061 Aluminum Warranty One Year Limited Warranty Notes Specifications Inlet OD 3.50 (88.9mm)Bellmouth OD 6.00 (152.4mm)Compatible Air Filter 10960Vibrant Performance high efficiency Bellmouth-style Velocity Stacks allow for less turbulent air to enter your engine, resulting in airflow improvements and, ultimately, torque and horsepower gains. Spun from 1/8 (3mm) thick T6061 Aluminum Alloy.
MrTT2001
2025-09-03 17:10:33
Modified an aftermarket system I was unhappy with in order to retrofit a standard silicone coupler and this stack. Depending on my mood, I’ll interchange between a cone filter and just a filter sleeve depending on how much ffssssss-psssssssstttt I wanna hear. Throttle response seems greatly improved and more linear. Gear changes and heel-toe downshifting are now somehow smooth as butter. I’m a big fan of a stack and I’ll always be a firm believer that they certainly help increase intake velocity, even if there’s boost. It’s a simple yet effective device.
james e. patrick iii
2025-07-20 18:12:08
These worked out perfect for our project !
Thanh Ngo
2024-12-22 13:19:44
Good product but they might try to bur sharp edges to improve quality
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