Vibrant Bellmouth Velocity Stack Aluminum (4in Neck O.D. 7in Bellmouth O.D.)

Description

Vibrant Performance Bellmouth-style Velocity Stacks allow for less turbulent air to enter your intake, resulting in air flow improvements and, ultimately, torque and horsepower gains. They are spun from 1/8″ (3mm) thick 6061 Aluminum Alloy.

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