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Old 10-18-2025, 09:20 AM   #9
Megahurtz
Snackbar Tuning
 
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Drives: 2023 SGM ZL1
Join Date: Oct 2016
Location: Florida
Posts: 1,522
The cold start "bark", assuming you're talking about the half second rev up in RPM's when you start and NOT the cat warmup where it stays loud for about 20 seconds.

The bark is controlled by Startup Airflow tables.
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