Troublesome exhaust
I had this recently - the TJ manifold is prone to cracking where pipes come together and is to do with heating up and cooling on short runs. Mine was just outside warrantee and only 48k. I asked around and ended up replacing it with aftermarket as repair was just not going to last and the system needed to be removed to be welded anyway, ie carb / intake stuff etc. Cost less than the $1100 plus labour for OE stuff and better system, I reacon at least 15kw more than before with freeflowed headers.
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