Thread: Mods Available for '05-'08 Grand Prix GXP
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Old 09-05-2010, 11:40 AM
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BNaylor BNaylor is offline
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Re: Mods Available for '05-'08 Grand Prix GXP
Adding this. Superchips Cortex Programmer. Under $400 depending on supplier. Easier to use than the HP Tuners which also requires a laptop computer. My son purchased one and we are currently testing performance. From what I can see easy to use.

Superchips Cortex Programmer



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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