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ChassisDex newsletter archive

Past issues, newest first. Each one lists what we added or corrected for the Subaru WRX/STI (GD, 2002-07) and the Mazda Miata (NA and NB), with one sourced tip per car. To get the next issue by email, use the signup form below (double opt-in, unsubscribe any time).

• Issue 1 (2026-10-22): STI hubs on a GD, the 15x8 +25 question, and two oil-leak fixes
  New fitment answers for GD WRX and NA/NB Miata, plus one sourced tip per car. ChassisDex newsletter issue 1, 2026-10-22.

Looking for something specific? Start at the WRX GD hub, the NA Miata hub or the NB Miata hub.