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Maybe it interferes with air flow. At the track your windows should be up in case of roll over. Unless you are slow, and have to wind down the window to wave cars past? : ) (J/K) .
Any noticeable difference with the stiffer mounts? Thanks
Yes, day / night difference. The OEM mounts are extremely soft. Slightly more overall NVH, More mechanical engine noise in the cabin, a slight gear whine in the cabin ( I love this ) The drive line feels super solid and tight even when shifting hard at high RPM, my car is a manual. These are not for everybody, if you are a cruiser I would keep OEM if you are a ripper this is a worthy mod.
Did u install yourself ..if yes ...how hard a job?
No...approx cost and time to have installed?
thx
Yes, I installed them myself. rear bumper and spoiler must be removed. Once at that point I did one side at a time holding the engine up with a jack on the exhaust manifold. I would not recommend jacking on the composite oil pan. Replacing the mounts themselves is a 5 min per side deal, super easy. I've been working on cars my whole life so for me was very easy, your mileage may vary.
Some Rennline semi solid engine mounts for my 991.2
Wow they look epic. However don't 991.2 come with active engine mounts? Or is that just GTS? I am fine with mechanical noise. NVH is a myth created by blokes with a vagina.
07-09-2019, 07:39 PM
