I was just wondering if you guys exaust does the same thing (a ticking sound from the metal contraction/expention of the exaust). Mine always does it, at first I figured it was from the car being brand new, but now, it still does it, even while running....anyone else? it is the first car I ever owned that does it constantly too...weird

 

how many miles are on the car? Do you drive it hard?

 

6070 miles, and AutoX about once a month....

 

Normal. If you think the Cobalt is bad, go listen to an SER Spec V.

 

ok cool...just thought I'd double check

 

ha. I have (had) this freaky noise happen everytime i turn me car off and sit for a while. It sounds like someone taps on the back of my car 4 times. It scares me everytime, like someone is knocking on the trunk

 

Yah normal but annoying as hell.

Does anyone have an aftermarket setup that doesn't tick while driving or cooling?

 

me 2 lol i hear like a knockin noise after the car is off if i sty in it awhile....its happend wen iv had a grl in it for a while i hear it lol

 

Yea. Stay in the car for a while, and then you'll really hear wierd stuff. haha yay for ghosts in cobalts

 

mine does it at idle and when turned off...eh no big deal just was weird to have a car do it all the time rather than doing it after you shut it off...

 

We're talking about two different things here.

The exhaust tick is normal. Expansion and contraction of the piping.

The tap-tap-tap-tap is the self check of the power trunk release. Also normal.

 

Exhaust is totally normal. All of the Cobalts do that.

 

really? the tap tap tap tap is normal? that's really cool...


and i knew the exhaust tick was normal.

 

All stainless exhaust does it.

 

The exhaust tick is coming from the stock resonator. A full catback system, or a simple resonator swap with a straight through Magnaflow unit will make it go away.

I did my custom axleback with Borla muffler first, leaving the stock resonator in place, and still had the tick. About a month and a half later I had a Magnaflow resonator welded in place of the stock unit, and no more tick.

 

I haven't noticed it since I put on my GMPP exhaust.

 

I personally think that the ticking is Bad Ass..

 

I may have to give that a whirl.

 

My magnaflow got rid of the tick. Like they said its due to the resonator.

 

Have a good place to pick one up?

 

www.Modernperofmance.com It was like 470.00 shipped. for the magnaflow and they ship quickly.

 

No place to pick up just the resonator?

 

Ya I have no clue. Ive never seen someone selling an aftermarket one. Sorry.

 

No worries. If I find a source I will post it here.

 

yah its contracting and expanding, its normal, i was scared at first. It sounded like a BB was jumping around in my exhaust.