When i first got mine it was idling weird almost like it had some big cams in it lol. It eventually got worse and would rev up and down while idling until it died. Took it in and they said i had a twisted cam.
2008 G6 Gxp Street Edition
Mods:Interior LED Neon Lighting, Debadged, 20% Tint, Flowmaster 40 Series Exhaust, Res delete, Alteza black housing taillights, Spyder black housing headlights, CRAB O3 CAI, Airraid Throttle Body Spacer, Racingline Strut bar, 91 OCT WAMS Tune.
Audio:400.1 Kicker amp, 12" Kicker CVR Ported Box