This ERD link thing can be quite frustrating as you can't use full editor options to reply to the thread.
Pictures won't open unless you right click on them and open in new window and if you set popups to be blocked, there is even less chance of replying.
The sensor in the exhaust (cat) is a temperature sensor not an O2.
What did you replace it with?
I want to replace mine as I had to cut it to replace my cat. (couldn't get it out)
I'm guessing by stock wastegate you actually mean Blowoff valve?
also, what offset are the wheels?
and.. as a side note, you might wanna put up some actual prices as per forum rules.
just sayin'.
How many cc's are the ones you have? These I are 270cc. Use 'em as spares?
$100 posted for the lot if you can use them.
*Edit: Just Googled and apparently S15 injectors are 480cc but are more like 444cc.
http://www.sr20-forum.com/turbo/30524-s15-injectors-actual-size.html
Anywho... maybe no good to you. Sorry.