Corsa Sport Catback @ Laguna Seca (90DB days)

[SlowStangGT]

Anyone here have experience with running the Corsa Sport Catback @ Laguna Seca?
I'm terrified of getting black-flagged for being too loud.

I've seen some exhaust insert cones such as these: https://www.summitracing.com/parts/sum-629020
I'm not sure if it's snake oil or if there's actual DB reduction

I was also thinking about making some angled exit tips, should shave off a few more DB.

Perhaps a combination of these two things would be enough for me to get away with WOT at Laguna?

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[T123456]

Anyone here have experience with running the Corsa Sport Catback @ Laguna Seca?
I'm terrified of getting black-flagged for being too loud.

I've seen some exhaust insert cones such as these: https://www.summitracing.com/parts/sum-629020
I'm not sure if it's snake oil or if there's actual DB reduction

I was also thinking about making some angled exit tips, should shave off a few more DB.

Perhaps a combination of these two things would be enough for me to get away with WOT at Laguna?

I had something similar on my motorcycle years back. It worked to tone down the loudness and the sound. I ended up removing them though. It should lower it a few decibels, but not crazy. Your performance may be affected though as it will create some back pressure.