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I had the same thing with my Auto 6, but of course when I take it to the dealer it wouldn't make the noise.
Anyway after I went to Long Tube Headers and high flow cats it went away, I have heard the same from others as well that when they changed out to an aftermarket exhaust it went away.
Please let us know what the dealer says or finds out for you.
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2014 2SS/RS, Spring Limited Edition...
Ask yourself.....when you turn on your car..... Does it return the favor.....
MODS: CIA cold air intake, Oil catch can, Dynatech LT Headers, Dynatech Power cats, Dynatech Cat back exhaust, Janetty racing tune, Vitesse throttle controller, Headlight and marker tint, more to follow....
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