There is a dealership in the S.F. Bay Area who has a car displayed with a full compliment of TRD Japan parts. It is at Lexus of Serramonte in Colma/Daly City, CA
SSR Integral 18" wheels
Slotted Rotors
TRD Pads
Front and Rear Sway Bars
Carbon Fiber Grille
Rear Lip Spoiler
Lowering Springs
Sport Shocks
This car should give you some ideas on what is out there. One of the Sales Consultants, Phil Wong owns an IS and is a car nut. He would be happy to answer any questions about the cars. The phone number is 650-994-2255
-Derek