The Bilstein B8 Performance Plus (DampTronic) rear monotube strut for 2005–2011 Porsche Boxster with PASM is a performance upgrade to OE dampers designed to be paired with lowering springs. It retains factory electronic damping controls and restores active features while offering application-specific valve settings and a monotube design tuned for improved handling. Each damper is tested for OE-level quality and is intended to enhance handling and sportier response when used with lowering springs.
Bilstein 05-11 Porsche Boxster (w/ PASM) B8 Performance Plus (DampTronic) Monotube Strut - Rear