What is this sound at end of rev

[Mustanggtvert32907]

https://www.dropbox.com/s/3jxseno8fhq7xfj/Video Oct 19, 3 55 22 PM.mov?dl=0

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[Andy13186]

Thats the coyote growl , my 2011 had it and my 2018 does too

Heres my 18's

 

[Mustanggtvert32907]

Thats the coyote growl , my 2011 had it and my 2018 does too

Heres my 18's

It sounds like an exhaust leak but not 100% sure

 

[Andy13186]

It sounds like an exhaust leak but not 100% sure

its not.. and I am sure. Ive had multiple coyotes(3 including my 11 f150) and they all had it

 

[DustGT]

https://www.dropbox.com/s/3jxseno8fhq7xfj/Video Oct 19, 3 55 22 PM.mov?dl=0

I had the same issue when I replaced my resonator with an H-pipe. Switched it back because the noise was so loud... it even created an echo. I am now hesitant to get any kind of modification to the exhaust or even a corsa extreme due to that specific noise.

Here is my post about it after I installed the H-pipe :(.. disappointed because under load it sounded amazing.

https://www.mustang6g.com/forums/th...ound-when-engine-braking-deceleration.129157/

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