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Vibrant Performance Bellmouth Velocity Stack - Aluminum (4in Neck O.D. / 7in Bellmouth O.D.) 10953

$59.99 $76.99
-22%
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Vibrant Performance Bellmouth Velocity Stack - Aluminum (4in Neck O.D. / 7in Bellmouth O.D.) 10953
$59.99 $76.99
$59.99 $76.99

Vibrant Performance Bellmouth Velocity Stacks are engineered to optimize intake efficiency by reducing air turbulence at the induction inlet. By smoothing the transition of air entering the intake tract, these stacks facilitate a more laminar flow, supporting improved torque and horsepower delivery compared to raw-edged pipe inlets.

Each unit is precision-spun from 1/8" (3mm) thick 6061 aluminum alloy, providing a lightweight and durable solution for custom air boxes, turbocharger inlets, or naturally aspirated induction systems. The wide-radius bellmouth profile is designed to minimize the vena contracta effect, maximizing the effective diameter of the air stream as it enters the neck.

  • Neck Outer Diameter: 4.00"
  • Bellmouth Outer Diameter: 7.00"
  • Material: 6061 Aluminum Alloy
  • Wall Thickness: 1/8" (3mm)
  • Construction: Precision Spun Aluminum
  • Manufacturer Part Number: 10953
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