I finally got switched over to my winter tires. These are my old original compG rims and BF Goodrich Comp t/A tires. My summer wheel/tire combo are 18" Moda MD6 and Continental ExtremeContact DW 235/50ZR18tires. I mounted them in the summer but these are summer tires and I haven't been out of the garage since the temps dropped. This combo has worked well for me. Rides good handles better and looks great. This gave me a chance to weigh them. The came out the same weight as my CompG combo. I was worried that even though I selected carefully I may have added some weight. Each wheel/tire combo showed as 47 lbs. I did several mods at about the same time so I couldn't say if it would have felt any different.

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'05 Grand Prix GTP Comp G. PLOG, 3" DP, ZZP PCM, K&N Drop in Filter, ZZP strut braces,
10.4 wires, cooler plugs, 3.5 dual SS tips, SPO Spoiler, 180 thermostat, ZZP MPS 3.6 pulley,
F-Body brakes, 18" Moda wheels with 235/50ZR18 Conti DW..