2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Um, is it supposed to sound like this?

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Old 09-03-2008 | 01:55 AM
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Um, is it supposed to sound like this?

well I found a video of the exact mods i wanna do...and im afraid now.....I DO NOT want it to sound like this....any comments or suggestions?


btw he floors it @ the end, so u might wanna skip ahead


and for clarificaton this is *not my car*

http://www.youtube.com/watch?v=pXDbqU78gts

Old 09-03-2008 | 01:57 AM
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only if you have the ss/sc will it sound like that

its the s/c's whine, its normal
Old 09-03-2008 | 01:57 AM
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what exactly do you not like about it? it sounds good
Old 09-03-2008 | 02:00 AM
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2.4 style here

http://www.youtube.com/watch?v=E5EpjtNURrk
Old 09-03-2008 | 02:05 AM
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i dunno its a little high pitched for me.....but you say thats only for the ss/sc? im guessing it will sound different for ss/na

woops didnt see the previous post b4 i posted....now THAT is what i want my 2.4 to sound like.....what in gods name is a vforce flowpro.....i must have it =)

Last edited by ledrocker555; 09-03-2008 at 02:05 AM. Reason: Automerged Doublepost
Old 09-03-2008 | 02:07 AM
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Our 2.4 engines have it's own whine at WOT.
Old 09-03-2008 | 02:07 AM
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Wot?
Old 09-03-2008 | 02:08 AM
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Originally Posted by ledrocker555
Wot?
Wide Open Throttle
Old 09-03-2008 | 02:10 AM
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aaaahhhh ok...yea but that 2.4 that you posted is awesome sounding....i want mine to sound like that
Old 09-03-2008 | 02:10 AM
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Originally Posted by ledrocker555
Wot?
wide open throttle


Damn I was beat
Old 09-03-2008 | 02:12 AM
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Originally Posted by ledrocker555
i dunno its a little high pitched for me.....but you say thats only for the ss/sc? im guessing it will sound different for ss/na

woops didnt see the previous post b4 i posted....now THAT is what i want my 2.4 to sound like.....what in gods name is a vforce flowpro.....i must have it =)
For any vids you see of SS/SC, an SS/NA will sound similar, but deeper because of the larger displacement, and of course sans whine. In that vid you like that is Projekt's 2.4, he no longer has that setup but you can PM him
Old 09-03-2008 | 02:15 AM
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Originally Posted by Chevy Cobalt 08
Our 2.4 engines have it's own whine at WOT.
VVT sounds awesome.

Originally Posted by Acey
For any vids you see of SS/SC, an SS/NA will sound similar, but deeper because of the larger displacement, and of course sans whine. In that vid you like that is Projekt's 2.4, he no longer has that setup but you can PM him
I didn't know he changed it, he has the best sounding 2.4 I've heard so far.

Last edited by Viper33884; 09-03-2008 at 02:15 AM. Reason: Automerged Doublepost
Old 09-03-2008 | 02:22 AM
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https://www.cobaltss.net/forums/2-4l-le5-performance-tech-46/offical-2-4l-exhaust-videos-thread-130023/
Old 09-03-2008 | 02:28 AM
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damn he said the muffler isnt meant for a cobalt dammit lol
Old 09-03-2008 | 02:30 AM
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Originally Posted by ledrocker555
damn he said the muffler isnt meant for a cobalt dammit lol
leave it to GM to have other parts fit their own cars, but like I said PM him and he can tell you more about it
Old 09-03-2008 | 02:34 AM
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That's the first time I've ever heard someone say a supercharger sounds like ****, haha. That's the sound of performance! Supercharged V8's have that same whine.
Old 09-03-2008 | 07:01 AM
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Originally Posted by fballman1987
yay for projekt!!
Old 09-03-2008 | 07:16 AM
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Turbo + GMPP Performance Exhaust = Sex. I may post a video later today..

Btw, that SC doesn't sound bad at all. Actually, it sounds pretty good. Most sound fairly raspy with aftermarket exhaust (or stock exhaust for that matter). 2.4 sounds much less rice, imo..
Old 09-03-2008 | 11:12 AM
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I don't think the OP was aware the car in the vid he posted is supercharged, nor what one sounded like.
Old 09-03-2008 | 06:25 PM
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I think the OP would like the JBP Vortex Header.

http://www.youtube.com/watch?v=_BjlF...eature=related
Old 09-04-2008 | 10:12 PM
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God, if only I had a sound clip of mine. I suprised all the VA Beach Cobalt guys with how loud my car is, lol.

And my coast down sounds downright rediculous
Old 09-05-2008 | 12:24 AM
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Originally Posted by Viper33884
I didn't know he changed it, he has the best sounding 2.4 I've heard so far.
OH and hear I thought you liked the way mine sounded.

Pretty much all intakes sound the same on the LE5, it's when you start adding differnt mufflers the cars sound differnt.
Old 09-05-2008 | 12:58 AM
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god, how do you not like the amazing sound of that whine?

projekt can you link a website where i can find that catback of yours? that is a catback right?

Last edited by BULLETSSMOKE; 09-05-2008 at 12:58 AM. Reason: Automerged Doublepost
Old 09-05-2008 | 09:47 AM
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He is just useing a muffler, it's and axle over.
Old 09-05-2008 | 10:15 AM
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Originally Posted by tambrico
I think the OP would like the JBP Vortex Header.

http://www.youtube.com/watch?v=_BjlF...eature=related
god taht sounds secksie i want


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