What Sway Bar (Anti-roll bar) does:
http://www.turnfast.com/tech_handlin...antiroll.shtml
Mazda 3 Stock Bars
Front Bar: 21mm (Solid)
Rear Bar: 20mm (Solid)
source: http://www.mazda3forums.com/index.php?topic=106175.0
Mazdaspeed 3 Stock
Front Bar: 26mm (Solid)
Rear Bar: 26mm (Solid)
Sway bar sizes:
Eibach : 26/26mm F/R
Source: Eibach's website
Hotchkis: 29/32mm F/R
source: http://www.torontomazda3.ca/forum/sh...14&postcount=1
Progress: N/A / 22mm F/R
source: http://progressauto.com/store/produc...roducts_id=423 provided by WildEmu
Racing beat: 28.5/27MM F/R
source: http://racingbeat.com/FRmazda_3.htm provided by pearly.
Please provide corrections if any, and additional brand and sizes.
Good reference why modifying your sway bar size, link given by sp3gt
http://www.whiteline.com.au/docs/bulletins/010barup.pdf
Hollow vs. Solid Sway Bars, link from MajesticBlueNTO
http://www.whiteline.com.au/docs/bul...%20Swaybar.pdf
http://forums.bimmerforums.com/forum...6&postcount=14