I fitted the PSS9's to my 2001 Boxster S quite a few years ago - probably 50,000 km on them and no problems with leaks, spring sag or fade that I can notice - the ride height is still as I set them up when they were first installed.
The rest of the suspension is stock, although all the shock top bearings, drop links, coffin arms and control arms were replaced with the Bilstein upgrade.
On the softest compression / rebound setting they are +/- 20% stiffer than my original ROW suspension - acceptable but I wouldn't want to go any stiffer for road use. HPDE / track work is a different thing....
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
Last edited by Steve Tinker; 11-06-2016 at 12:49 PM.
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