I had a IS200 and had a TRD supercharger installed almost immediately and had it on the car for about 2 years . The kit cost me £2,000 second hand . It did not improve the performance by a massive amount really - despite claims of just above 200bhp but I did like the sound from it . I stripped the kit off before selling the car and got £1,950 for it so was £ for £ the best mod I ever did on any car .