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

loudest exhaust possible!!!

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Old Jul 1, 2008 | 12:08 AM
  #151  
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whats good about this cat?? can u give me pros and cons?? i want one that will be loud and not real restrictive but still gives me adequate back pressure
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Old Jul 1, 2008 | 12:11 AM
  #152  
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its a magnaflow. cant go wrong.
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Old Jul 1, 2008 | 12:12 AM
  #153  
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Originally Posted by jacobmprater
i want one that will be loud and not real restrictive but still gives me adequate back pressure
so then the magnaflow will be this?? and also how much would this run me? and would i have enugh back pressure with a highflow cat???
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Old Jul 1, 2008 | 12:18 AM
  #154  
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its definitely going to flow better than stock but its not a racing cat so it'll still give you some backpressure. do your own price research... check ebay, probably find one on there.. its probably around $150
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Old Jul 1, 2008 | 12:22 AM
  #155  
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welli found one that was high flow mangaflow for ~$85 on gravana tuning... would a highflow still have enought backpressure??
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Old Jul 1, 2008 | 12:27 AM
  #156  
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try it and find out... probably..
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Old Jul 1, 2008 | 12:42 AM
  #157  
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how do i measure back pressure???
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Old Jul 1, 2008 | 01:14 AM
  #158  
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Originally Posted by jacobmprater
how do i measure back pressure???
why do you want backpressure?

i would suggest doing some more research. i think you're going to be very disapointed when you start the car, drive, and it's raspy as **** and sounds like crap.
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Old Jul 1, 2008 | 01:17 AM
  #159  
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delete the cat. no resonator. No muffler, straight thru 3" pipe !! you will hear thunder sound !!
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Old Jul 1, 2008 | 01:24 AM
  #160  
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but i wont have any back pressure. you gotta have back pressure or your gonna loose power and low end especially my car is N/A
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Old Jul 1, 2008 | 08:37 AM
  #161  
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Originally Posted by jacobmprater
but i wont have any back pressure. you gotta have back pressure or your gonna loose power and low end especially my car is N/A
says who? backpressure is bad, not good. backpressure takes a way power, doesn't matter if the car is na or not. it's an old myth.
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Old Jul 1, 2008 | 10:56 AM
  #162  
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here we go...
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Old Jul 1, 2008 | 11:06 AM
  #163  
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Originally Posted by teh_punk
here we go...
yep... same things over, and over.
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Old Jul 1, 2008 | 11:24 AM
  #164  
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Originally Posted by jacobmprater
my friend said that if you run straight pipes with a cat you will have enough back pressure. and hes a car guy so i assume hw knows what hes talkin about. NOT A HIGH FLOW is what he said. just a normal cat w/ striag pipes.
thats going to sound absolutely terrible, just letting you know ahead of time...

with every muffler or cat you remove your exhaust will get louder but will also sound more raspier...so, have fun with that.
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Old Jul 1, 2008 | 11:27 AM
  #165  
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straight pipes on a stock cat sounds like rice. really though that's some bad advice.
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Old Jul 1, 2008 | 11:27 AM
  #166  
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Originally Posted by jacobmprater
my friend said that if you run straight pipes with a cat you will have enough back pressure. and hes a car guy so i assume hw knows what hes talkin about. NOT A HIGH FLOW is what he said. just a normal cat w/ striag pipes.
tell your friend to read up on backpressure, and he'll learn why it's bad. also, what is the point of totally freeing up the exhaust piping, and having the air running through a crazy restrictive cat? it doesn't make sense.
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Old Jul 1, 2008 | 12:59 PM
  #167  
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so would running straight pipes hurt my car or not? or should i get another cat and run it through that?
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Old Jul 1, 2008 | 01:01 PM
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get a v8 if you want something that will sound good with a loud exhuast. I bet within the first day you will hate yourself for doing it, then within a couple weeks you will be pulled over and ticketed
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Old Jul 1, 2008 | 01:08 PM
  #169  
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okokok. i get it. y dont i just save some money. pick up a CA V1 header, xtc catless DP and a megan racing drift spec cat back...

that way it will be loud, not rice, and have noticable power gains.
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Old Jul 1, 2008 | 01:24 PM
  #170  
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no, it will still sound like rice. you cant make a 4 banger sound beefy, its NOT beefy.
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Old Jul 1, 2008 | 01:25 PM
  #171  
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they sound better with a turbo
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Old Jul 1, 2008 | 01:46 PM
  #172  
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tubro = seckz
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Old Jul 2, 2008 | 02:20 AM
  #173  
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Originally Posted by jacobmprater View Post
im thinkin if i could use a glasspack as a resonator and a fart can as my muffler. would i have enough then???


Originally Posted by Chuck
yelp that should be enough backpressure and still pretty loud.. Just remember that with no cat you will get a CEL..
Make sure that you use 2.5 exhaust pipe.. it gives a deeper tone.."sounds better"
The whole thing should not be to expensive either.. one time I picked up a glasspack from summitracing.com for under $30 ...and a stainless steel "fart can" off ebay for around $40
enough said!!!
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Old Jul 2, 2008 | 05:04 PM
  #174  
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I actually think the SLP Loudmouth II Catback Exhaust sounds pretty beefy, its a Dual pipe, and they claim to be the only "true" Dual pipe exhaust for the cobalt.

Last edited by Dieter; Jul 2, 2008 at 05:11 PM. Reason: spelling
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Old Jul 3, 2008 | 03:33 PM
  #175  
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there is no true dual for our cars and if there was I would smack the maker, that would sound worse than this kid wants too.
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