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Old 08-21-2012, 04:14 PM   #2
BAD ZL1's Avatar
Drives: 2013 VIN 48 Victory Red ZL1!
Join Date: Jan 2012
Location: California
Posts: 707
Originally Posted by Neil's BlackZL1 View Post
Anyone else notice noises coming from the actuators on the exhaust?

I have had it in 4 times for the same thing and they replaced the exhaust from the cads all the way back, and it still makes the same noise.

You can hear a mechanical sound when you lightly give it gas and let off. Kind of a buzzing sound like the flaps are opening and closing.
Yes, I hear like a very short duration rattle when I speed up past 1100 RMP or so. i assume its the valves closing. Not a big deal to me.
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