Allowable Springs and Sway Bars for 06-11 Civic si Spec Line
#33294 from Mathew Milford · Rule change · TB 23-01 (2023-01 Fastrack)
In T4 Spec Lines, Honda Civic Si (06-11), add to Notes as follows:
"Sway bars up to 32mm front and rear permitted. Springs allowed up to 700 pounds."