Spectre Coupler 9771 - Designed to connect two 4-inch outside diameter air intake tubes, the 9771 coupler is a simple but essential component for custom intake builds — perfect for replacing stock piping or fabricating a full cold-air / short-ram intake setup.

Key Features:

• Made from durable black PVC for strength and longevity.
  

• Straight coupler, 2 inches long.
  

• Includes two stainless-steel worm-gear hose clamps for a secure, leak-resistant seal.
  

Specifications:

• Inlet / Outlet Diameter: 4.0 inches (102 mm)
  

• Coupler Length: ~ 2.0 inches
  

• Condition: New / unused / ready to install
  

Notes:

• Not suitable for use on pressurized components (e.g., turbocharger or supercharger outlets).

• Recommended for naturally aspirated or non-pressurized custom intake setups.

• Make sure to verify fit for your specific vehicle / intake tubing before ordering.