In conjunction with Australian off - road specialists Ironman 4X4 it has developed heavier springs, upgraded shock absorber valving and minor changes to toe - in to make the H9 better suited to Australian conditions. (motoring.com.au)
These include a new shock absorber valve design providing improved interior quietness, a new electronic stability program system with less intrusion and improved comfort, and a change to the rear suspension to give drivers a more connected feel to the road. (topspeed.com)
The Aussie tweaking includes a slightly softer rebound and compression stroke (via shock absorber valve changes and a software tweaks), which reduces the harshness over sharp bumps and broken road surfaces. (motoring.com.au)