3800 s/c wont run HELP!!

[endars]

I have 99 grand prix s/c.The car runs for 10 mins,after 10 mins it starts running like crap and then dies.I replaced the pretty much every senor and relay. I also replaced the fuel pump and fuel resistor.I hate this car but, she so pretty.If anybody has any thoughts let me know.thanks

 

[TorqueAutoMotiv]

any check engine lights?
what sensors have you replaced
does it heat up/over heats?

 

[endars]

it does not over heat.it is not thorwing codes or nothing.the only mods is headers and zzperfromce pcm 1.0.it was running right after the mods where installed by my dad it was befor it was mine . i replaced every sensor under the hood

 

[TorqueAutoMotiv]

how does it idle before it dies when you first start it

 

[endars]

really good i never heard it sound better.beside when my dad drove it off the show room floor