Silicone Coupler Transition



  • 3″ to 4″ Piping

Use this high quality 4 ply silicone transition coupler on many setups including K-Tuned Throttle Bodies. All couplers are 3″ in length.

Additional information

Select Size

3.5 to 3, 3.75 to 3.5 (90mm Throttle Body to 3.5) [+USD $-10.00], 4 to 3.5


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