Thread: Strange rattle / metal shaking sound 99 Boxster
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Old 11-24-2014, 03:18 PM   #11
Viper10000
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Join Date: Nov 2014
Location: Long Island, NY
Posts: 160
I had a similar sounding problem. I removed the rear cats and put in bypass pipes, no more noise. Mine is a 2002 2.7L
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