I have never done it myself but I have taken my grille off the car. It doesn't seem like a hard job at all. I don't know if they are car specific either. I do know you can buy detachable ones to take with you when you leave the car.
'85 300SD (formerly california emissions)
'02 Jeep Grand Cherokee Limited
'04 VW Passat W8 (6spd manual) SOLD!!
'68/'69 Empi Imp body on '65 Beetle pan
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'72 Triumph T100R
'70 Yamaha R5 Rat Bike