Audi S4 T3
#40241 from Brian Leib · Rule change · TB 26-07 (2026-07 Fastrack)
In T3 Spec Lines, Audi S4 (12-14), change Notes as follows:
"Max spring rate 800 1100#/in. front and rear. F sway bar 30mm, rear sway bar 22 24 mm SPC front upper arms 81360. Separate
coolant reservoir for the water to air intercooler permitted. SPC front upper camber arms permitted. AWE Coldfront coolant
system permitted. **Must compete in 3 Hoosier Super Tour races to qualify for the Runoffs.**"