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

Piped out LE5

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Old Sep 1, 2011 | 04:07 PM
  #26  
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Originally Posted by olivecj
No offence but you do realize that your gunna get pulled over by the cops at some point right. I would suggest actually doing some real hp mods to it like intake, catback exhaust, header/downpipe and then a performance tune.
i forgot to tighten down the dp to res section once and it was loud as ballz and twice cops went to make uturns after me but i disappeared before they were able to catch up it sounded awesome but wasnt worth a ticket so i fixed it
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Old Sep 2, 2011 | 03:04 PM
  #27  
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well I don't think I will run the exhaust into the cabin. Thanks for the suggestion though!
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Old Sep 2, 2011 | 03:16 PM
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a super turbo muffler is $20. would sound much better and stay legal, i dont see how the car would pass inspection without a muffler.
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Old Sep 2, 2011 | 03:27 PM
  #29  
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Originally Posted by 06cobaltss2.4
So the other day I was bored and decided to remove the muffer in leu of a straight pipe. Now every time I drive it I have a huge smile on my face. Best 16 bucks I have ever spent! Since I liked the sound I got a cheap stainless tip. The noise it makes when I downshift into second "L" at about 70 is undeniably the loudest 4 cylinder I think on the planet. I left in the cat and resonator. The car doesn't sound raspy, just sounds fast and loud, even thought the power gain is .001 hp. I would definitely reccomend it to anyone that is looking to rice out their 2.4. lol I have a video but a buddy put in on facebook so I don't know how to get it off of there. I'll make another one soon and post it up on youtube or something so anyone looking for some noise has an example.

y would u want to rice out ur cobalt?its not a honda
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Old Sep 2, 2011 | 03:51 PM
  #30  
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to the OP i did basicly the same thing but i have a gutted muffler im going to install hopefully soon. people like him and i may not look for the performance gains especially in a automatic but its for the sound. i know i ran auto-x and i would tear the backroads up alot and i just loved hearing the sound of the car. he may be the same way. also to the OP i have a before and after video right here. i hate when people bash on other people for things they want to do with their car. my opinion is like the OP. it sounds great.

Cobalt ss 2.4 with/without muffler - YouTube
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Old Sep 2, 2011 | 03:58 PM
  #31  
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I did the same thing to my LE5 and I'm loving every minute of it.
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Old Sep 2, 2011 | 05:46 PM
  #32  
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I'm running open downpipe...
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Old Sep 2, 2011 | 05:53 PM
  #33  
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The 2.2 sounds completely different from the Le5 when it has no muffler. Im not for it, but the le5 dosnt sound "as" bad. The 2.2 sounds like straight ass. Ive heard both in person and the 2.4 honestly has no rasp.
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Old Sep 2, 2011 | 06:33 PM
  #34  
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Auto wouldn't sound as loud as a manual unless you are shifting, but even then it won't have the same tone. There is this ******* in a older jag around here that drives around in first (auto), revving the **** out of his engine. lol. I'm just waiting for it to throw a rod or something else out the oil pan.
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Old Sep 2, 2011 | 06:48 PM
  #35  
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Auto has that annoying section of daily driving acceleration where the rpms stay mostly constant as the torque converter is locking up which makes the car still accelerate but the exhaust note isnt changing.
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Old Sep 2, 2011 | 06:54 PM
  #36  
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Originally Posted by BlackARCA06
The 2.2 sounds completely different from the Le5 when it has no muffler. Im not for it, but the le5 dosnt sound "as" bad. The 2.2 sounds like straight ass. Ive heard both in person and the 2.4 honestly has no rasp.
Compression is a wonderful thing...
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Old Sep 2, 2011 | 07:03 PM
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Originally Posted by LS6Rally
Compression is a wonderful thing...
Its not that. Its the displacement, bigger cam, and VVT.
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Old Sep 3, 2011 | 04:49 PM
  #38  
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I like the sound and make my transmission shift like a manual and it has a great sound when it shifts. I'm glad there's a few people that like the sound of exhaust. I also think my mpg increased by .01mpg so it's soooo worth it! lol

Oh and also, they don't do emmissions inspections here in Minnesnowta, unless you get pulled over and they figure out that you aren't running a muffer/cat then you get multiple warnings. lol
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Old Sep 3, 2011 | 05:30 PM
  #39  
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wow run off a cliff
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Old Sep 3, 2011 | 05:41 PM
  #40  
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Originally Posted by 06cobaltss2.4
I like the sound and make my transmission shift like a manual and it has a great sound when it shifts. I'm glad there's a few people that like the sound of exhaust. I also think my mpg increased by .01mpg so it's soooo worth it! lol

Oh and also, they don't do emmissions inspections here in Minnesnowta, unless you get pulled over and they figure out that you aren't running a muffer/cat then you get multiple warnings. lol
HOW OLD ARE YOU? cause doing that will make your transmission go out faster then you can change to L gear lol. i hope mommy and daddy have lots of money for a new transmission
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Old Sep 3, 2011 | 10:44 PM
  #41  
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gtfo
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Old Sep 3, 2011 | 10:55 PM
  #42  
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Rerouting the intake into the cabin and running the a/c will give you a real cold air intake ... should compliment your exhaust
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Old Sep 3, 2011 | 11:14 PM
  #43  
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Originally Posted by 07MetallicSC
Rerouting the intake into the cabin and running the a/c will give you a real cold air intake ... should compliment your exhaust
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Old Sep 3, 2011 | 11:17 PM
  #44  
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Then if you put the exhaust into the cabin, it'll be like DEI which everyone knows is better than turbo.
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Old Sep 3, 2011 | 11:28 PM
  #45  
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you smell that.......




it smellssss ..........

like a troll
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Old Sep 3, 2011 | 11:35 PM
  #46  
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haha @ the CAI idea
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Old Sep 6, 2011 | 02:57 PM
  #47  
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I'm 20 and I am almost through with school to become a mechanic, so I'll be able to fix the tranny when it takes a crap. Very good idea about the CAI. haha Well I'm sorry everyone is getting so offended about my hack job exhaust.
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Old Sep 6, 2011 | 04:58 PM
  #48  
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no the person that was offended is someone who took time out to send me a pm about how he hates the sound of a 2.4L without a muffler. he says its to " rice " but to me its deep and nice not rice.
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Old Sep 6, 2011 | 07:49 PM
  #49  
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The term "Rice" is thrown around like a rag doll now a days. Jesus Christ.
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Old Sep 6, 2011 | 08:06 PM
  #50  
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Originally Posted by 05blkrado
no the person that was offended is someone who took time out to send me a pm about how he hates the sound of a 2.4L without a muffler. he says its to " rice " but to me its deep and nice not rice.
I agree with how you feel about the 2.4 without a muffler
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