I swapped out the factory air filters for BMC performance air filters on my 991 GTS after about 10,000 miles. I show the removal, inspect the factory filters, discover some trash stuck in the airbox, and install the new BMC filters.
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Ha e you sold the GTS ? No recent update
Any différence in sound/performance afterwards?
For rear bumper cover removal check my video: https://youtu.be/yc-slmulw6I Thanks!