
Originally Posted by
texasboy21
^Even used the S3 manifold, well done.
They use what people like to refer to as 'turbofolds.' The housing and manifold are 1 cast piece.

Originally Posted by
vinny.dtw
Thats one hell of a efficient k04 if you ask me.
I think it's incorrect to call them K04s.... K04 is just a model family. The last three digits or full part number denote the most important points. I.e. the K03-015 vs k03-073 & k04-015 vs k03-022. These ones are just minor differences, yet their is considerable difference in power potential.
This is effectively what FT/Doug/aftermarket manufacturers do. They take a bigger KKK wheel and stick it in an existing housing for bolt on solution.
-Still doesn't quite compare to whatever K04 they're using from factory in S3/TT-S etc. It is easily 25/28 sized turbo territory though and not some mismatched/machined contraption.
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