California: Non-compliant parts may be used only on designated closed-course racing vehicles that are never registered for highway use.
Other: Please consult your local statutes and ordinances to ensure compliance with regional emissions standards.
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SPE Velocity Stacks
Engine Air Intake Velocity Stack
Spectre's air filter inlet adapters and velocity stacks are designed to allow you to attach a larger 6 inch diameter flange air filter onto a smaller diameter air intake tube. The velocity stacks are available with different neck sizes, to match 2.5 inch to 4.5 inch tubes. In addition, Spectre velocity stacks also have a smooth funnel shaped inlet that reduces restriction and turbulence of incoming air.
Spectre s air filter inlet adapters and velocity stacks allow you to attach a larger 6 inch inside diameter cone air filter on a smaller tube. Spectre velocity stacks also have a smooth funnel shaped inlet that reduces restriction.
