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Registered
2009 CTS4
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3 Posts
Discussion Starter #1
Sounds amazing, very low note for a V6. Drones a little on the highway but not badly. I love the pops and crackles when you let off. I just cut the mufflers off and welded in pipes leaving the stock exhaust tips in place, it was really easy because the tips have hangers right behind them.

Here's a video of how it sounds.
 

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Registered
2011 CTS Coupe RWD Black
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148 Posts
Sounds pretty good. You leave the resonators in place?

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Registered
2009 CTS4
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3 Posts
Discussion Starter #3
Sounds pretty good. You leave the resonators in place?

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Yeah I did, only cut the mufflers off. From what I read cutting resonators off would make it sound kind of like a tin can and possibly throw codes.
 

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Registered
2008 CTS Black Raven Sedan / LY7 / 6 Speed Manual AY6 / RWD
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512 Posts
Removing the resonators is bad, bad for sound lol. I am putting some Vibrant Performance ones in sometime soon. No more braaaaaappp brappppppp lol.
 

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'09 CTS DI FE1 Luxury
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1,368 Posts
Sounds good. I like it but it's just a bit too loud for me. Any suggestions for replacement mufflers? Any chance that a V axle-back could be adapted with 2.25 to 2.5" reducers?
 
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