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Thank you!
My intention was to build a sleeper, but it is outrageously loud at WOT. I am searching for a quieter exhaust this morning.
The tires are new 315-35-17 Nitto 555's and they don't grip at all. I wish I could get Michelin Pilot Sports in this size, as they treated me well on many CTS-V's. Maybe I'll need a drag radial if I can't tame the car with more tuning.
You have a sharp eye (regarding the chase car). I bought my wife a Levante last year, and we have both continued to love that little SUV.
You might consider adding a resonator near the tailpipes. Vibrant offers a few sizes I believe; Dynomax sells their “bullet” muffler in two lengths
 
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