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My stock seats were about 50lbs ea. with rails and mounts. Cobra FIA seats bolted to the floor with FIA mounts are about 25lb ea.
Stock battery, 45lbs >>> Shorai lightweight 5lbs
Stock exhaust 45lbs >>> lightweight loud-ass muffler 20lbs ( I didn't do this)
Spare and tool kit- 30lbs
Carpet kit around motor and floormats 22lbs
I like A/C and a working top so I left em alone.
160lbs might be worth 1-2 seconds per lap on a racetrack when you don't have a ton of HP to work with. Depends on the track and the driver.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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