Add it yourself...
Supra AirFlowhttp://www.tscperformance.com/supra_airflow.html
Supra Fuel Pressurehttp://www.tscperformance.com/supra_fuel.html
How to remove engine from car (5S-FE) - 6G Celicas Forumshttp://www.6gc.net/forums/index.php?showtopic=91360
shorten a Toyota Celica GT4 ST165 throttle cablehttp://www.gtfours.co.uk/how_to/throttle_cable/165/throttle.htm
fit Water Injection on a Toyota Celica GT4 ST165http://www.gtfours.co.uk/how_to/wi/wi.htm
Installing an Apexi S-AFC II on the SThttp://www.6gc.net/howto/install_apexi_safc2
Toyota starter problems and repairhttp://www.celicatech.com/forums/showthread.php?t=884
Relocate Fuel Filterhttp://www.celica-gts.com/resources/how-to/fuel_filter.html
Apex'i S-AFC Installationhttp://www.toyotacelicaonline.com/celica1/safc.htm
more . . .
diff removal/installationhttp://forums.celicasupra.com/showthread.php?t=26180
Front Wheel Bearing Replacement on a ZZT231 w/o ABShttp://www.celicatech.com/forums/showthread.php?t=26372
Installing a TRD QuickShifterhttp://www.6gc.net/howto/install_trd_quickshifter
E code gearbox variations, repairs and modshttp://www.roadandtrack.net.au/images/stories/documents/E_gearbox_short.pdf
5th Generation Shifter Modificationhttp://www.toyotacelicaonline.com/shiftermod.htm
Refurbishing and Painting Your Wheelshttp://www.6gc.net/howto/refurbish_and_paint_wheels
Making a Custom Short Shifterhttp://www.6gc.net/howto/make_custom_short_shifter
Club4AG Forum Topics: DIY: T-50 Transmission Rebuild.http://forums.club4ag.com/zerothread?id=9626
Power Steering Pump & Hose Removalhttp://www.celicatech.com/forums/showthread.php?t=19104
Supra Rear Bushinghttp://www.tscperformance.com/supra_rearbushing.html
Tie Rod End Removalhttp://www.celicatech.com/forums/showthread.php?t=6816
ST184 PS Pump Replacementhttp://www.celicatech.com/forums/showthread.php?t=31712
Supra Strut Rodhttp://www.tscperformance.com/supra_strutrod.html
replace the front shock absorbers on a Toyota Celica GT4 ST165 and ST185http://www.gtfours.co.uk/how_to/shocks/front/front_shocks.htm
Supra Suspensionhttp://www.tscperformance.com/supra_suspension.html
Installing a Front Sway Barhttp://www.6gc.net/howto/install_front_sway_bar
Supra Subframe Swaphttp://www.celica-gts.com/resources/how-to/supra_subframe_swap.html
Supra Brakehttp://www.tscperformance.com/supra_brake.html
Supra Big Brakehttp://www.tscperformance.com/supra_bigbrake.htm
Adjust the handbrake on a Toyota Celica GT4 ST165 ST185 and ST205http://www.gtfours.co.uk/how_to/handbrake/handbrake.htm
change the rear brake disks on a Toyota Celica GT4 ST165 ST185 and ST205http://www.gtfours.co.uk/how_to/disks/rear/disks.htm
1987 Celica GTS emergency brake cable replacementhttp://tom.carya.org/celica/ebrake.html
Converting Rear Drums to Disk Brakeshttp://www.6gc.net/howto/convert_rear_drums_to_discs
Drum-to-Disc Conversion For 5th generation Celica'shttp://www.toyotacelicaonline.com/drumtodisc1.htm
Replace Brake Pads and Rotors Front Wheel Drive Carshttp://www.2carpros.com/how_to/how_to_replace_brakes.htm
Technical Service Bulletin and Recall Informationhttp://www.alldatadiy.com/recalls/index.html
Clear Tail Light Modhttp://www.toyotacelicaonline.com/cleartails.htm
Making Your Power Antenna Stay Downhttp://www.6gc.net/howto/make_antenna_stay_down
Making Your Own Clear Sidemarkershttp://www.6gc.net/howto/make_clear_sidemarkers
Changing Your Blinker Light Colorhttp://www.6gc.net/howto/change_blinker_light_color
Making Your Own Clear Tail Lightshttp://www.6gc.net/howto/make_clear_tail_lights
Changing Gauge Cluster Light Colorshttp://www.6gc.net/howto/change_gauge_cluster_light_color
Making Your Own Clear Corners ('94-'95)http://www.6gc.net/howto/make_your_own_clear_corners
Installing a New Head Unithttp://www.6gc.net/howto/install_head_unit
Celica Stereohttp://www.tscperformance.com/celica_stereo.html
exchange a JDM 205 Speedometer for a UK Speedometerhttp://www.gtfours.co.uk/how_to/speedo/speedo.htm
Wrap Parts with Carbon Fiberhttp://www.6gc.net/howto/wrap_parts_with_carbon_fiber
Supra Heaterhttp://www.tscperformance.com/supra_heater.html
fit a Boost Gauge on a Toyota Celica GT4 ST165http://www.gtfours.co.uk/how_to/bg/bg.htm
Installing Indiglo Gaugeshttp://www.6gc.net/howto/install_indiglo_gauges
Upgrade Gauge Clusterhttp://www.celica-gts.com/resources/how-to/gauges.html
How to Install Aftermarket Gaugeshttp://www.toyotacelicaonline.com/guages.htm
replace the speedo dials on a Toyota Celica GT4 ST205http://www.gtfours.co.uk/how_to/dials/dials.htm
Making Headlight Eyebrowshttp://www.6gc.net/howto/make_headlight_eyebrows
remove the sunroof on a Toyota Celica GT4 ST165http://www.gtfours.co.uk/how_to/sunroof/165/sunroof.htm
Modify the front grille on a ST165 GT4 to provide a cooler air intakehttp://www.gtfours.co.uk/how_to/grille/grille.htm
Making Custom Hood Ventshttp://www.6gc.net/howto/make_custom_hood_vents
Installing JDM-Style Side Markershttp://www.6gc.net/howto/install_jdm_sidemarkers
Making Your Tail-Lights Completely Redhttp://www.6gc.net/howto/make_tail_lights_completely_red
'82-'85 Celica Power Mirror Repairhttp://www.celica-gts.com/forums/index.php?topic=18774
Painting Your Window Trimhttp://www.6gc.net/howto/paint_window_trim
Remove Painted Pin Stripeshttp://us.lexusownersclub.com/forums/index.php?showtopic=14709