what is the easiest upgrade on a GTR to gain hp? i have heard that a simple tune can change performance dramatically....

 

Yes, a custom Etune , will change the car .going from 11psi stock to 16-17psi ..is a night and day diffrence!!

call Jack at Hplogic in FL..

or chris at AMS .. both guys will sell you a etune for 500.00 (you will need the Cobb accessport.

sooo for 1500.00 bucks the car will run like a diffrent animal..

here is DP, MP and tune

http://www.youtube.com/watch?v=TDoNO...layer_embedded

 

so no need for a custom dyno tune. just reflash the ecu and go..... im supposing the injectors and pump can handle the extra boost.... has anyone encountered problems with any components breaking due to that level of boost?

 

You will need to buy the AP from Cobb and no need for custom tune

If you want to be on the extra safe side.. just run 16.5 psi and you will be fine.