how much on average would a complete greddy turbo kit installation on an 04 cost?

 

depends if you do it right or half fast but its not something that you should do on a whim do research and figure out if its right for you, keep in mind you should keep money in reserve in case you destroy your engine... when I did some research into it I got to 6000 in the turbo and supporting mods before I decided to quit on the research

 

for a shop to install? probably $1k+ for install only

if your talking about the kit and such, 2-3 grand used
3900 for a new kit from bhr
cobb you can get from mm website about 600$
bov cost no idea mine came with one.
new couplers ~275$ is a quote i got from bhr once also

that bare min is around 4775 for the kit and 5-6k installed at a shop
still need gauges to monitor, and if you want more it keeps adding on. I dont want to think of amount I have spent over the years.