turbonetics manifold only way?

[Quammen]

is the turbonetics exhaust manifold the only manifold that can have a external wastegate mounted on it because its $484 at sbr making a external wastegate setup about $1000???

 

[iowaTSIfWd]

You can make any manifold have an external wastegate you just have to drill a hold and weld a flange on. My manifold has an external wastegate on the #1 runner and its just a flange welded on.