Between TOYOTA (Toyota OEM) and TRD (Toyota aftermarket), there are essentially five bumper variations.

1) Years 2000, 2001, 2002 are the first version of stock.
2) Years 2003, 2004, 2005 are the second version of stock.

3) Years 2002, 2003, 2004 were presented with the optional "Action Package."
4) For year 2005, Toyota gave the Action Package an update which was also referred to as the a "Tsunami Edition."

There are three other bumper style names used.
5) TRD Elegant - This has the 2000-2002 looks, with a WW/VIS lip.
... TRD Mechanical or TRD Aero - These are the TOYOTA Action Package.

https://celicahobby.com/forums/ubbt...-kits-list-of-oem-factory-body-kits.html


Celica GT and GTS both have the same body kit mounting points, thus, body kits for each are interchangeable.
A basic 7th gen Celica body kit consists of 4 pieces. Front, rear and two side skirts. A wing or spoiler can be added to the long list of additional body kit parts.

https://celicahobby.com/forums/ubbthreads.php/topics/86485/body-kit-front-bumper-how-to-remove.html

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