I've been doing a little research on some stage IV options whilst retaining K16 driveability. One option is the K24/18g's.

who's got em, what are they like, boost threshold, Wheel hp achieved, what supporting mods are you using, how long have you had them, what avg boost levels are being attained?

Lots of questions, thanks for answers

 

well, the best person to answer u those questions is Todd knighton.
its a protomotive hybrid turbo that is very affordable and yet yields great results. Scott, divirexxtreme, has these on his 600 rwhp tt and he ran a 10.6 1/4 on a stock motor. They also can be used with a 5 bar fuel pressure regulator liek the gt640 from evoms- which I also think is a great turbo.
markski

 

Or if you look on the for sale section there's a fellow selling a kit sorta like that used

 

I'll let you know soon.

Markski, I'll ping you this weekend for sure.