My front sway bar ('04 S) measures 21mm. It came with the "Sport Plus" suspension but I'm not sure that makes a difference on the sway bar. I want to replace the rubber bushings (with rubber) but the only bushings I can find are either 22.5mm or 24mm. Anyone else run into this issue before?

 

I just ordered some, after some research, I believe the stock (even with sport suspension) is 24mm for front. I don’t believe they changed year to year, but you should definitely check before you order. Are you the original owner, if not, maybe the PO swapped it out, 21 is an odd size.
https://new.minimania.com/part/NMS76...m-Gen1-R50-r53

 

Thanks for the input. I ordered some from PartsGreek that were indicated to fit an '04 S so we'll see how it nets out. As an aside, the ID on the existing bushings is 20mm.