Just sold my '08 GT last week after having it 11 years. I have the following for sale with a few more to come later. PM if your interested. Buyer pays for shipping.
Homelink Visor: SOLD - Bought it back in 2009 brand new from snakey. In very good condition and worked flawlessly.
Costar Bluetooth: SOLD - Bought it back in 2009 brand new. This is the original version and not the newer version.
Whiteline front radius rod bushings: SOLD - Brand new and never installed.
Centric ceramic front pads for Brembos: $30 OBO - Brand new never installed. These fit the many various front Brembos including GXP, 5th Gen Camaro SS, earlier CTS-V, etc.