hey yall! been awhile since ive been on here but been doin mission out here like crazy!! but me and my buddy been talkin bout what car he is gettin when we get back in november and i mentioned the g8gt and he said yea but the gxp comes out at the end of the year!! so he was tellin me bout it and i was wonderin will it have a pcm/ecu chip that u can change? cause he wants to change the exhaust and cai on it

Take a gander at what's out there for the Holden Commodore and that will get you in the ballpark for what's available for the G8.

Vauxhall has a version of it too, can't remember what its called tho.

But IMHO the Vauxhall loks better than the G8.

the Vauxhall is the VXR8