The Blox Silicone Coupler is perfect when u need to join a velocity stack to your intake pipe or need a coupler to join your intake pipe to your throttle body. The Blox Silicone Coupler has a 3 inch, inner diameter, so it can work with a variety of intake systems. The Blox Silicone Coupler also comes with two, sized, screw type, hose clamps to secure the coupler.
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