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No but I do have a Borla S Type. Pro installed at a great Mustang/Corvette shop with no issues to date.

It’s not a normal sound - I’m aware of the coyote noises these motors make. It’s also brand new. And I don’t think it’s that plate. Those threads are reporting the rattle at higher RPMs and warm. I’m having the issue only when cold. Thanks for the responses so far.

Thanks for that - but I should clarify - it’s coming from outside the cabin/under the car somewhere.

Here’s a new one. 2019 GT manual with 6k miles on it. After a cold start and puttering around the neighborhood at slow speeds in 1st and 2nd, letting off the throttle while in gear produces an audible rattle/buzz noise for about .5 to 1 seconds. I can’t tell exactly where it’s coming from. The...

Great—thanks for the intel! Do you happen to have any videos of the different modes or know where any videos online might live? I’m coming up empty. I guess most people have active exhaust from the factory? Would be great to make sure this is the right move given the $1,800 + install price...

Are you saying that the Roush Lite (for cars that were originally non-active) has loud cold starts VS stock non-active exhaust even in quiet mode?

I have the same car as you and I’m considering doing exactly this. However my one hang up is cold start. How is it compared to stock? I currently have a Borla S-Type (non active) but found that to be too loud for the neighbors. So I added the Borla resonator to quiet it down. But going this...