Honda D-HN-25-5-M Civic, Si ONLY (Includes Bypass Module for Adaptive Damper System) 2017+ Coilover make-bmw-model-m3-year-2012 The ER Series offers 30-clicks

The ER Series offers 30-clicks of independently adjustable compression and rebound with remote reservoirs to increase oil capacity and help with faster heat dissipation

whereas the Concave Flow Digressive Technology has a broad range of 8kg spring rates

Digressive piston technology allows for stiff low-speed compression/rebound force

Truhart Air Plus Air struts feature a full twin tube design with integrated aluminum top mounts

24-Step Adjustable Dampers

Honda D-HN-25-5-M Civic, Si ONLY (Includes Bypass Module for Adaptive Damper System) 2017+ Coilover make-bmw-model-m3-year-2012 The ER Series offers 30-clicksThe RS Series suspension kit is our most popular coilover. Featuring a 36 way damping and rebound adjustable monotube design, RS Series coilovers are perfect for the modified street car that also sees occasional track days. This coilover has separate height and preload adjustments allowing for optimal suspension tuning while maintaining full strut travel at all times. Key Features: Uses either a rubber upper mount or pillowball rubber upper mounts.