hi, i have one from my SR, both turbine and compressor wheel spin freely.
as for the extension youre referring to, i beleive this might also be refferred to the O2 housing.
i have that as well, but im not sure if im willing to part from it. For the right price, ill seriously condsider it.
email me at
[email protected]
aim/icq = tnd240
thanks
JOhn