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Mudderoy
07-12-2018, 08:55 AM
I purchased a Dorman exhaust manifold from Amazon back in Feb of 2017.

I have not inspected it, but I hear the sounds of a cracked header, again.

I have the Brown Dog motor mounts.

I've read that ALL exhaust manifolds crack, even the $400 ones. I'd rather crack a $100 personally.

If engine movement is cracking the manifold (all of mine have been cracked at or near the collector) I was thinking about doing this.

14565

Has anyone had luck with an exhaust manifold NOT cracking for a few years at a time?

OrangeXJ
07-12-2018, 11:14 AM
I don't know if there is any difference between a XJ and a TJ 4.0 manifold but mine is still original (97)

carloxj
10-30-2018, 02:43 AM
My XJ still has the original exhaust manifold and no signs of cracking whatsoever.

prerunner1982
10-30-2018, 11:16 AM
3 XJs.... 3 cracked manifolds.