Quote:
Originally Posted by Cloudsurfer
Given your mileage, I wouldn't even dream of only replacing one side header/ cat.
Replace both cats and at least both pre-cat O2 sensors.
As to the bolts, while I have yet to have one shear off in a head, def take your time and use a quality penetrating oil like PB Blaster.
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Can I have your other Porsche sticker for my tool box
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