These adapters are required to install Edelbrock 5.0L manifolds #3821/#7126 on 1994-95 Mustangs. They must be used with Edelbrock or stock throttle body. The powder-coating is the same titanium gray used on the Performer 5.0L and Performer RPM 5.0L manifolds for a matched set. #3821/#3 are stock replacement and 50-state street legal for 1994-95 5.0L engines. Manifold will not clear stock strut towerbrace. #8025 not required when using Edelbrock TES header #6745.