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Have you taken a look at the mounts since installing them? Does this happen when the car is cold or at operating temp? Need more specifics here
Assuming there are no obvious issues then you may need to raise your idle to compensate for the increased stiffness of the mounts.
100% these two mods are the priority before anything performance oriented. Throw in the lower engine mount with them if you'd like as that mount gets the shit beat out of it.
I just wish I could do a better mixture to really see what the mountune radiator can handle during the summer.
I have had this exhaust for a couple of years now and love it. I've been wearing Loop earplugs for the last 8+ months which has helped tremendously as 24 of my 25 mile drive to work is on the highway and I was dealing with fatigue/irritability after as little as 20-30 minutes of driving.
It's...
Pretty wild how much of a difference there is in the NVH of the Conti DWS06 Plus compared to Indy 500s. At 80mph it's still more quiet than the Indys at 50-60mph. I use Loop earplugs when driving to reduce hearing damage and reduce fatigue without the more drastic isolation of standard...
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