Are you talking about the black rubber side molding toyota puts around the front, sides, and rear of their kit? If that's the problem I highly doubt they are neccessary. You don't need to the buy the plastic pieces they're just their to protect the body paint from scratches and to get rid of the gap fitment if any... If I remember correctly the RMM sides are FG and should fit really well so you don't need to put them on. If you mold the sides to the car you won't ever need them. Sides molded are less likely to crack but I don't reccomend molding anyway off topic. Don't get the piece if the kit fits real well with no gaps the dealer will charger you more then it's worth