I don't have the exact price for the body kit because I got it as a package with a few other things: sport steering wheel, rims, tires.... etc. Discount here and there and I made the decision base on the total price when I bought the car.

But I believe the Body Kit itself is listed for about US$4.5k - 4.8k (excluding labor). Make sure you ask for the FULL Body kit (Package 1 I think, which includes the side skirt and alluminum panel.