This 2006 Pontiac GTO with 112,850 miles is a heavily modified, 6-speed manual muscle car—perfect for enthusiasts seeking a tuned, high-performance ride in South Carolina.

In the May '06 issue, we upgraded the clutch to a grippy Spec Stage 3 with a new flywheel on our supercharged '04 GTO, removing any doubt about the clutch system handling the increase in power. So now ...