THIS LINK SHOWS THE LEFT REAR QUARTER OF THE TRD 03' S/C. THE LITTLE RED PLASTIC THING IS WHERE THE ADDITIONAL FUEL INJECTOR BLOCK IS. THERE ARE 2 INJECTORS MOUNTED UNDERNEATHER THE BLOCK. SORRY I DONT HAVE BETTER PICS. I JUST SNAPPED SOME QUICK PICS FOR EBAY, I MAY SELL IT SOON. TO MUCH TROUBLE TO MAKE IT WORK ON AN "IFORCE" MOTOR, AND MY DEALER WONT COVER IT UNDER WARRANTY EVEN THOUGH IT IS NEW.