P1Design.
inflatable not available for Speedster seat, so I settled for fixed.
now seat bottom is thicker, together with lumbar support, makes the bucket seat more tolerable for long drive.
here’s a before and after picture for comparison.
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Tim
2008 Cayenne Turbo; 2006 911 Club Coupe; 2016 911 GTS Club Coupe; 2015 Macan S; 2019 Speedster