Had the body shop do it when the car was being repainted
SSC Springs, 3.5 Pulley, Overkill PCM Tune, Thrasher CAI with K&N, 180 TSAT, Custom front to back 2.5" Exhaust with Magnaflow mufflers, GMPP STB front and rear, GMPP Sway Bars front and rear and GMPP Rear Trailing Arms.