Who in Kansas City can do the IMS Retrofit?

[Black Stallion]

Rennsport KC is very much a professional outfit. He works on all manner of Porsches, big into racing. Here is his website. RennsportKC | Specializing in Porsche & European Auto Services His blog is always very interesting.

I've also been to Bob Hindson Racing, and he was also quite good, if a bit expensive.