how heavily can u mod a gt? other than slappin a supercharger on it and then its basically a gtp. but yeah i know the 3.8's in those cars are nice cause i raced one when i had my dads 2000 mustang v6 and he won. even tho i had a 3.8 too and we both had automatics. can u even get a 5 speed in grand prixs?

 

no 5 speeds in grand prixs only autos

 

As far as mods for a 3.8 N/A : Comp Cams make a few different camshaft for it. MSD coil packs and wire. K&N FIPK. Open up the exhaust, Programmer.
Really your options are limtied, but still a good daily driver. 30+ mpg hwy. I guess you might be able to pick up around 20 hp with out getting into the motor.
The gearing is a hinderance since they dont make power till 3500.

 

and by the way
ctgrddy- nice car. Looks pretty clean and well maintained. Keep it that way

 

A GP GT is capable if mid~high 15s stock... Ive seen a few 15.5 ~ 15.6 runs from them stock. I duno what your car runs so its hard to say but a GTP is a good run for most of the best runningSN95 cars....

I actually know a guy in town that was insanely pissed after I held door to door with him to 60mph from a dig.

He had a 94GT Vert Auto and I had a 94 Cutlass Supreme SL 3.1L Auto..... He started to creep away pretty good past 60mph but it still hurt his ego pretty bad to see me that close.