I dont think the CAI will do you much good performance-wise, maybe 1-2hp
max.. The tuners usually re-flash the onboard chip, so you plug them in,
program your settings, and then unplug them.



"BigAl" > wrote in message
oups.com...
>I want to reach out to all you other GT owners and see what has proven
> to work for you in successfully increasing your horsepower/performance
> on your "once" stock Mustang GTs?
>
> I am thinking of getting a Diablo Tuner to advance the timing and such
> to tweak out some more HP and all around "responsiveness" to the
> throttle! Then...I'm planning on adding a MAC-StraightShot Cold Air
> intake to assist in opening up the motor even more! (I would imagine
> I'll have to tune the motor again with the Diablo to adjust for thethis
> change with the Diablo.)
>
> Has anybody else tried this "combo" of performance mods? Also...how
> does this "tuner" work? It has to remain hooked up right? Does it run
> off of the car battery and tucked under the hood or dash? To avoid
> waisting time and money I'm looking for advise on what has proven to
> work for all of you out there and what "hasn't" been such a success!
>
> THANKS!
>