2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Dual Exhaust

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Old 03-20-2010, 08:57 PM
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Dual Exhaust

I wana get some opinions before I do this in the summer.
Pros and Cons of putting a dual exhaust on the 2.2
Old 03-20-2010, 08:58 PM
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I wouldn't, but its your car, do what you like man.
Old 03-20-2010, 09:08 PM
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Pros - None

Cons - Eliminates back pressure so you actually LOSE horsepower - You'll like like a dummy for a putting a dual exhaust on a 4cyl car.
Old 03-20-2010, 09:08 PM
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well i wouldnt buy a dual exhaust
jsut get a shop to build me an exhaust with 2.5 inch piping all the way back to the mufflers
Old 03-20-2010, 09:11 PM
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on a 2.2? nah. on an SS, better. IMO. you dont have the bumper for it to look right. If you got a new rear bumper that had duals or something itll be better
Old 03-20-2010, 09:17 PM
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i think it would look pretty sick

maybe get a shop to put the piping all the way back then split it with a y pipe like the neon srt does

Last edited by znew; 03-20-2010 at 09:17 PM. Reason: Automerged Doublepost
Old 03-20-2010, 09:20 PM
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Originally Posted by asherby85
Pros - None

Cons - Eliminates back pressure so you actually LOSE horsepower - You'll like like a dummy for a putting a dual exhaust on a 4cyl car.
its a 2.2 dude. it doesnt have much power to lose LMAO i kid i kid
Old 03-20-2010, 09:31 PM
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hey im just workin with what i got lol
Old 03-20-2010, 11:34 PM
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i have dual on mine

https://www.cobaltss.net/gallery/sho...&userid=53448]
Old 03-20-2010, 11:38 PM
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Thats done nicely.

I dont know how 2 huge exhausts would look though.


Plus, it does lose some hp I think, so is that important to you?

Last edited by Caligula; 03-20-2010 at 11:38 PM. Reason: Automerged Doublepost
Old 03-21-2010, 12:41 AM
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not really that important
ill be adding a header and dp along with the dual when i do it
Old 03-21-2010, 12:48 AM
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Not only does it look wrong, you lose power.
No go.
Old 03-21-2010, 12:48 AM
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Originally Posted by asherby85
Pros - None

Cons - Eliminates back pressure so you actually LOSE horsepower - You'll like like a dummy for a putting a dual exhaust on a 4cyl car.
::facepalm::

Back pressure has nothing to do with it.....


Do it if you want, it'll be quieter than a single.
Old 03-21-2010, 01:01 AM
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It may look good, but you wont gain anythign from it. Like everyone else said, you'll most likely lose horsepower.
Old 03-21-2010, 02:26 PM
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Originally Posted by asherby85
Pros - None

Cons - Eliminates back pressure so you actually LOSE horsepower - You'll like like a dummy for a putting a dual exhaust on a 4cyl car.
You won't lose much if any back pressure by going dual. The power difference would be negligible at best. Plenty of 4 cyl cars come with dual exhaust from the factory (Altima, Tiburon etc).
Old 03-21-2010, 02:30 PM
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those are only duel tips, the exhaust still only comes out the one side.....
Old 03-21-2010, 03:13 PM
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see, rear lip looks good. if you didnt have that rear lip it would look like *****
Old 03-23-2010, 03:06 PM
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you can always just do a dummy pipe.
Old 03-23-2010, 03:09 PM
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you could always put a hood scoop neons and a nice big wing on the back to go with the duals =/
Old 01-02-2011, 12:47 PM
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Originally Posted by jonxxxedge1
those are only duel tips, the exhaust still only comes out the one side.....
both exhaust tips are hooked up so when its cold outside you can see stuff come out both tips
Old 01-02-2011, 01:04 PM
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someone needs to end this thread lol
Old 01-02-2011, 01:11 PM
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If you were to do it they only it would look remotely good imo is with the RK Sport rear lip. Again just my opinion.
Old 01-02-2011, 01:12 PM
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heres an example of why not to do a dual exhaust on a base model bumper
Cars for Sale: 2005 Chevrolet Cobalt LS in Kansas City, MO 64138: Coupe Details - 289106079 - AutoTrader.com
Old 01-02-2011, 01:35 PM
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lol i see alot of hate to the duals, lol your choice man... i like it, i have it, but i am not a 2.2..... so try it why not.... these guys are all haters.... dont listen to them....


hp lose is very minor and easily recovered.....

to the guy who said it will quiet the sound down.... omg hahahahahahahaah i guess you never met me..... hahahaha i say i would have one of the loudest cars around.... even louder then 3 inch....
Old 01-02-2011, 03:48 PM
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look up ncc-2000 on the occ


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he has it with the ss rear lip... looks bad ass

YouTube - Cobalt SS 2.4 Dual Exhaust


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