This Spectre Intake Coupler is a 4 inch to 3 inch reducer. It comes with two stainless steel worm gear hose clamps. Use it to connect any 4 inch outside diameter component or air intake tube to a 3 inch outside diameter comp...

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Product Review

This Spectre Intake Coupler is a 4 inch to 3 inch reducer. It comes with two stainless steel worm gear hose clamps. Use it to connect any 4 inch outside diameter component or air intake tube to a 3 inch outside diameter component or intake tube. The coupler is not recommended for turbo-charged/supercharged engines.

  • Coupler is made of PVC
  • Connect air intake components
  • Includes 2 clamps
  • Not recommended for turbo-charged/supercharged engines

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