(2011-2014) Silicone Reducer Coupler 20 Degree- Z-COUPLING-400352

Z-COUPLING-400352 – Silicone Reducer Coupler 3.5 inch to 4 inch 20 Degree.

For use with 2018 Mustang Intake/Throttle Body.

Also needed with 2011-2014 intake used with Boss intake manifold