Since I bought my '06 last year:
Gorilla Offroad Hood Struts
Gorilla Offroad Rear diff breather relocate
Z1 Offroad Hatch struts
New Rocker covers
NKG coils
NKG Iridium IX plugs
PCV valve and hoses
Cooling and Heater hoses
Z1 Offroad billet heater hose inlet
Thermostat
Radiator
drive belt
drive...