Billet Turbo Inlet Guard Velocity Stack Adapter Bellmouth Intake Hex

Billet 4" Turbo Inlet Guard – Velocity Stack Bellmouth Adapter

Enhance your turbo system with this precision-machined billet aluminum velocity stack. Designed for a perfect fit on turbos with 4” inlets, this 4" inlet guard features a smooth, bellmouth-style taper that improves airflow efficiency by minimizing turbulence and reducing boundary layer separation.

• CNC-machined from high-grade billet aluminum

• Smooth, funnel-shaped design maximizes volumetric flow

• Hex-pattern filter helps block larger debris from entering your turbo or engine

• Compatible with 4" turbo and naturally aspirated intake applications

• Includes set screw and removable thread sealer for secure installation

Ideal for performance builds requiring both protection and unrestricted airflow.