The R - Spec / Ultimate suspension features both firmer front spring rates (seven percent) and rear spring rates (11 percent), with
matched damper rates.
Not exact matches
Local engineers retuned the suspension spring and
damper rates to
match the vehicle's stiffer new ladder frame, which employs thicker side rails to increase rigidity, reduce vibration and improve handling and stability.
Suspension tuning is similar to Civic Si Coupe with the same spring
rates and rear stabilizer bar diameter, with slightly different
damper tuning and front stabilizer bar diameter that best
match the sedan's longer 106.3 - inch wheelbase (+2.0 inches compared to the coupe).
Spring,
damper, and bushing
ratings all have been precisely calibrated to
match these powertrains with superb road feel, precise body motion control and good ride comfort.
Dampers were dynographed to be more precisely
matched to final spring
rates for optimal precision and control.
The
dampers are
matched with optimized stiff spring
rates and stabilizer bars in both the front and rear to reduce body movement in hard cornering and acceleration.