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05-12-2014
Does anyone know of someone that has a tune from TRIFECTA on a grand prix?? And do they work?? Ive heard of a couple COBALTS that have there tune but dnt know if they have tunes for Grand prix.. Thanks for your input...
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05-12-2014
Nope.
Wouldnt work for your vehicle.
05-13-2014
Oh ok
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05-13-2014
They do them for plenty of late model GM vehicles.
They're meh at best.
HPTuners or bust for you, or a vendor PCM. Which I wouldn't recommend if you've got more than just a smaller pulley/exhaust/intake.
05-13-2014
Yea... i have more mods with a ZZP PCM.... but i think im not getting the most out of my car
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05-13-2014
Then get it custom tuned via a laptop tuner, on the street, with a wideband.
05-13-2014
Oh ok.... thanks alot BLUEGUY
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