stock (most are hollow, see wall thickness):
A3 Ambition/S-Line: 22,5 x 3,5 / 20,7 x 2,8
Golf V GTI: 23,6 x 3,5 / 21,7 x 3,0
Golf V R32: 22,0 solid / 21,7 x 3,0 (4-motion)
Golf VI GTI: 23,6 x 3,5 / 21,7 x 3,0 PR-0BF or 21,7 x 3,6 PR-0BM (DCC?)
Golf VI R: 22,0 solid / 21,7 x 3,6 (4-motion)
Scirocco R: 23,6 x 3,5 / 21,7 x 3,6
Touran 170 PS: 23,0 solid / 21,7 x 3,0
Passat R36: 23,6 solid / 21,7 x 3,6 (4-motion)
Sharan 2011: 24.0 mm solid / 20.0 mm solid
after market (almost all are solid):
H&R 'small': 26 / 22 mm
Eibach AntiRoll: 26 / 23 mm
KW clubsport: 26 / 23 mm
VW Racing: 26 / 23 mm
H&R 'big': 28 / 24 mm (there's also 28 mm rear bar at AWE)
H&R 4-motion: 25 / 25 mm
Autotech: 25 x 3,5 / 25 x 3,5 mm (tube/hollow)
Whiteline: 24 / 24 mm (triple adjustable)
Neuspeed: 25 / 25 mm (+ 28 mm rear; tube/hollow)
Black Forest Stabila: ? / 25 mm
APR/Hotchkis: 27 / 27 mm (tube/hollow)[/QUOTE]