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ST/SU

Super Touring and Super Unlimited

692 topics in this forum

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  1. 2021 Rules Time--How about no changes? 1 2

    • 27 replies
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  2. Avg HP Calculator Instructions

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  3. ST Regional Leader List -- updated 1-19-21

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  4. ST Subframe modifications

    • 2 replies
    • 145 views
  5. ST3 aero allowances

    • 6 replies
    • 395 views
  6. Question about ST4's ECU Rule

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    • 151 views
  7. General ST rules question

    • 6 replies
    • 404 views
  8. ST5 Rules Question

    • 1 reply
    • 309 views
  9. ST/TT4 Rear Flare Question

    • 2 replies
    • 208 views
  10. Hoosier 255/35 - 18

    • 3 replies
    • 235 views
  11. Factory Fender Vents in ST4

    • 7 replies
    • 511 views
  12. Transponder

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    • 478 views
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  13. Legal 282mm Tire/Wheel combo thread

    • 2 replies
    • 323 views
  14. TT5 spec boxster aero

    • 1 reply
    • 313 views
  15. 2020 ST/TT Car Classification Form

    • 24 replies
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  16. Rush SR1

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    • 406 views
  17. TT5/ST5 rain tire sizing

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  18. ST5 Rear Diffuser Clarification

    • 2 replies
    • 528 views
  19. ST4 splitter and air dam question

    • 1 reply
    • 438 views
  20. Car Numbers

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    • 516 views
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