does anyone know if there is an ecu mod or a chip upgrade for the g35 coupe?

 

yes, it has been posted. search the site.

04 6mtC, DG - possibly most babied G on the board.

 

the chip and reflash link won't work

 

Here's the link to Technosquare:
http://www.technosquareinc.com/g35.htm

There is another that has been posted but the name escapes me at the moment.

<font color=red>G</font color=red>S<font color=green>M</font color=green>
<font color=red>G</font color=red>S<font color=green>M</font color=green> <font color=black>Silverstone Coupe</font color=black>

 

GSM ... have you done this modification to your G35? ...777G35

 

does anybody know how much the horsepower gain is