Hi,
I'm looking to possibly sell my Grand Prix. I can tell you there is probably over $15k invested plus the cost of the car and labors. Lots of sweat and tears but need to free up some cash. Here is some of the items that I can think of. I'm sure I'm missing a lot more...
3" pulley
42.5lb injector
SLP headers with v band flanges full SLP exhaust
SLP hood ( 5 in existence)
GXP rear bumper
Intense/triple edge performance computer flash
Yells terra 1.9 rockets
Custom cold air intake
ZZP stage 2 intercooler with front mount
Triple edge built trans with GMR torsen diff and 1" chain ($7,000 alone)
Precision industries 2100 stall converter
GXP wheels
GXP Front brakes
BMR full rear suspension
SSC lowering springs
Upgraded front sway bar
7 inch Pioneer in dash with Bluetooth and back up camera, Pandora Connectivity, JL audio sub with JL amp ($4,000 alone) and lots more...