Is there anything that can be done, I was looking at my friends 16cm aftermarket exhaust housing wondering if anyone would make one for mine. Are the 04.5 and up turbo's stock with a larger housing? What about a modded Hx-35 would that be much of a help. on my 2003

 

Nope, the 04.5 have the same tiny housings, only ours has the electronically controlled wastegate.

 

Try calling Piers at http://www.piersdiesel.com/ he just did some work on my little hy for my 2001.