Yup, my GXP does the exact same thing with 63k and about 1k on the castrol syntec in her. Nothing to worry about.

Hey bud, welcome to the fam. What part of MD are you from? I know i've seen another red GXP cruisin around the Salisbury area.

I know it's a bit early, but I personally want to see as many Bonneville GXP's, Grand Prix GXP's, Trans ams etc...there as possible. The event will be from May 17th through May 20th. It usually is a great event (weather permitting) every year. :btruestory: If anyone has been I would love to hear ...

Thanks a lot guys...I'm really glad I stumbled upon this website. I love this car so far. Always been a pontiac man. Getting 2 flowmaster 40 series mufflers installed in a few weeks. Just got her tinted, and looking to get the hid lights soon after.

Hey guys...looking for a brake upgrade for my 05 GXP...Like my brakes but want more stopping power, a better look and maybe something that doesn't blow as much dust around as the stocks seem to do. Any suggestions? Thanks

Had a 99 pontiac grand prix which had just under 130k miles. Had changed both upper and lower intake manifolds, gaskets, valve cover gaskets. Rebuilt the tranny at just under 120k miles and had the K&N cold air intake system installed. Traded her on a 2005 Bonneville GXP with 59k miles. So far haven ...