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Velocity Stack Adapter

Spectre’s air filter inlet adapter and velocity stacks are designed to allow you to attach a larger 6 inch inside diameter flange onto a smaller diameter air intake tube. The Velocity stack also has a curved-inward inlet to help direct the flow of air into the air intake tube helping to increase air flow.

Available Products
  • 9601
    9601
    2.5" Filter Adapter/Velocity Stack
  • 9602
    9602
    3" Filter Adapter/Velocity Stack
  • 9603
    9603
    3.5" Filter Adapter/Velocity Stack
  • 9604
    9604
    4" Filter Adapter/Velocity Stack
  • 9606
    9606
    4" Offset Filter Adapter/Velocity Stack
  • 9609
    9609
    4" Angled Filter Adapter/Velocity Stack
  • 9610
    9610
    4.5" Filter Adapter/Velocity Stack