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

catless?

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Old Apr 28, 2008 | 09:37 AM
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catless?

ok. i want to know if there is a way to gut a cat. or do u just have to take it off. i have heard that oyu can just open them up and take out the **** thats in it and it will be straight. also how do u deactivate the o2 sensor so i dont get a C.E.L.?
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Old Apr 28, 2008 | 09:39 AM
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get a big pipe and ram it in there is a cheap/effective way to do it. it will sound like crap though, and you're not really going to gain anything other than a headache.

as far as the 02 sensor, if you get a cel you can delete it with a code reader, or have the sensor shut off with hp tuners.
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Old Apr 28, 2008 | 10:21 AM
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Originally Posted by jacobmprater
ok. i want to know if there is a way to gut a cat. or do u just have to take it off. i have heard that oyu can just open them up and take out the **** thats in it and it will be straight. also how do u deactivate the o2 sensor so i dont get a C.E.L.?
You would just be stupid to do this.
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Old Apr 28, 2008 | 11:53 AM
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y would i be stupid?? also what is hp tuner?
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Old Apr 28, 2008 | 11:55 AM
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hp tuners in the uning software for our car

you cant use it though since you have the 2.2

Last edited by BOOSSTED 06; Apr 28, 2008 at 11:55 AM. Reason: Automerged Doublepost
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Old Apr 28, 2008 | 11:57 AM
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Originally Posted by jacobmprater
y would i be stupid?? also what is hp tuner?
because there's not really any benefit, and it's going to sound like ****.
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Old Apr 28, 2008 | 01:56 PM
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wouldnt you get better exhaust flow, gaining a little more performance?
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Old Apr 28, 2008 | 02:11 PM
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Originally Posted by jacobmprater
wouldnt you get better exhaust flow, gaining a little more performance?
it would be so minimal it's just not worth it for the nasty, raspy sound it will make.
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Old Apr 28, 2008 | 02:13 PM
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ok. what do u suggest?? i want a little HP and im not sure what i sould do. i thought gutting the cat or running catless would work alright but nvm. take that hugge ass muffler off and get a new one? im already doing the airbox mod.
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Old Apr 28, 2008 | 02:47 PM
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Intake , Header, Downpipe and Exhaust.

Easy 20 whp right there.
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Old Apr 28, 2008 | 03:35 PM
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you can also get a 2.4 intake mani. that alone will get you 10+ hp
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Old Apr 28, 2008 | 05:43 PM
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Originally Posted by RedBaseBolt
Intake , Header, Downpipe and Exhaust.

Easy 20 whp right there.
Not really. I/H/DP/CB will net you maybe20 @ the crank and about 12 to the wheels.
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Old Apr 29, 2008 | 03:19 AM
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Originally Posted by chrislach2
you can also get a 2.4 intake mani. that alone will get you 10+ hp
2.4 intake manifold is a bad idea on a 2.2 with stock head and cams. it will most likely slow you down.
I wish people would realize this and quit wasting their money.
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Old Apr 29, 2008 | 03:26 AM
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From: Dayton, O HI O
Originally Posted by jperris
2.4 intake manifold is a bad idea on a 2.2 with stock head and cams. it will most likely slow you down.
I wish people would realize this and quit wasting their money.
...I'd like to see some proof for that statement
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Old Apr 29, 2008 | 03:33 AM
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Originally Posted by REIGN SS
...I'd like to see some proof for that statement
my only proof is logic, and the dyno results posted on the CED website.
to quote from a post i made in another thread......

Originally Posted by jperris
check out this page on CED's site showing dyno results: link

if you look at the part where it graphs the AFRs, it shows the run with the stock intake going excessively rich right where the power begins to drop. if you were to tune and get the correct AFRs, it wouldn't really be much of a difference in power, and seeing as the stock intake manifold makes a lot more torque in the 3500 to 4500 range (probably a wider range, since PE didn't kick in until 3500 in this case), the car would probably be faster with the stock intake if tuned properly.
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Old Apr 29, 2008 | 08:51 AM
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ok, so i would benifit from a 2.4 manifold swap, ingen intake??, CA header, and would it be a better idea to get a catless DP or just a high flow one...? ill prolly leave the stock exhaust in and just get a muffler. plus when is the 2.2 AUTO tuning coming out? they have the manual one already i think.
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Old Apr 29, 2008 | 09:26 AM
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Originally Posted by tru2nrtt777
Not really. I/H/DP/CB will net you maybe20 @ the crank and about 12 to the wheels.
Incorrect.

I am auto and I have those mods.

I was making 112 whp stock.

With intake header, downpipe and exhaust I'm making 136 whp.

Do the math.
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Old Apr 29, 2008 | 09:30 AM
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Originally Posted by jperris
2.4 intake manifold is a bad idea on a 2.2 with stock head and cams. it will most likely slow you down.
I wish people would realize this and quit wasting their money.
lol wht???? LMAO
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Old May 5, 2008 | 08:35 AM
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At least I know what I can look forward to when I get an LSJ DP and exhaust along with my Injen CAI. I put my car on a dyno just to see what the base was and it's 112whp and 110.7 tq.

So hopefully when I do the breather mods, I'll be at least up to 125whp, hopefully more as RedBaseBalt said.
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Old May 5, 2008 | 08:39 AM
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Originally Posted by 007CobaltLS
At least I know what I can look forward to when I get an LSJ DP and exhaust along with my Injen CAI. I put my car on a dyno just to see what the base was and it's 112whp and 110.7 tq.

So hopefully when I do the breather mods, I'll be at least up to 125whp, hopefully more as RedBaseBalt said.
Before I did my 2.4L intake manifold I was making 129.9 whp and 132.5 lbs of tq.
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Old May 5, 2008 | 10:02 AM
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Originally Posted by jacobmprater
ok. what do u suggest?? i want a little HP and im not sure what i sould do. i thought gutting the cat or running catless would work alright but nvm. take that hugge ass muffler off and get a new one? im already doing the airbox mod.
OK!! here is what you do.. Unbolt the exhaust from the header... Unbolt the intake from the throttle body and just let the car breath in EVERYTHING!! THAT HAS TO MAKE MORE POWER !!!
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