Is my car running slow

[DARTHGST]

My 98 gst has a a evo III 16 g turbo k & n air intake, 1g bov, mbc uper ic pipe walbro fuel pump and 550 injectors and a safc i have the stock exuhast i like it cuase its quit i konw that i will get a lot more power but how much?

I thought i would be much faster than i am i am not slow a high 13 at best but i thought I more like low 13s with the new turbo is it not tuned right? or am i about were i should be?
how much boost can i run safely?
or is my exhust killing me?
With the mods on it now if properly tuned how should i do in the 1\4 mile i have decent driver skill not expert but not bad

and is there any body else that has a seen a 16g with a stock exhuast?
what kind of difference will i see with a 3' tsudo downpipe and a 3' n1 catback? are these brands decent they are cheap and stainless ?
and any other good cheap mods u know of?
any help is a lot of help i am a new member and would appreciate any help thank you

 

[FSTRDNU]

i would push 18 psi or so at the track safely, and yes the exhaust is killing you,
with nice sticky tires, and a 3 in, you should pulla 12.999999 : )

just unbolt your exhaust from the downpipe when you get to the track, it will help you alot, and give you thoose few extra tenths you need : )

 

[JoeyJigglesGSX]

your exhaust is killing you