As far as turbos go, the stock turbo is a ball bearing, and according to everything Ive read is non rebuildable. A gt28 series will bolt up unless its a weird stock turbo from another car, but with a bigger turbo youre going to need some engine management to compensate. Many go with the split...
FOR SALE:
BRAND NEW obx t3/t4 turbo fsde turbo manifold with external wastegate!
New, never used, only mock up mounted.
These from obx are 200 plus shipping, so here you save 25 AND get a free EWG
I believe the EWG is 10 pounds, but I'm not positive.
Price is 175$ shipped CONUS.
I take...
a: its loud as ****
B: absolutely no noticable difference, feels a little more torquey with the race cat..
just get a good race cat on a good exhaust and you should be fine, and avoid the penalty for running without one
goodluck dude, those things are like gold around here nowadays..
best bet is to go straight to dgm
http://www.dgmotorsports.com/product_details.php?ProductID=50-61-1105F