mountune engineers worked exclusively with Eibach to develop a spring set that would specially meet their requirements. Our goal was to enhance and optimize the handling of the Focus ST while not overpowering the original shock absorber. We wanted the car to handle better on the track and ride comfortably on the freeways of Los Angeles. We also demanded advanced ride quality that is only offered by a true progressive rate spring. The outcome of countless validation miles on numerous British ?B? roads, the Bruntingthorpe Proving grounds, and the famous Nordschleife is the ultimate spring upgrade set for the 2013 Focus ST, offering enhanced performance with an aggressive level stance.
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