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

Cat Delete

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Old 06-20-2006, 03:00 PM
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Cat Delete

What kind of power gains can I expect with a Cold Air Intake, and what do you use to avoid a CEL?

Thanks
Old 06-20-2006, 03:18 PM
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Although your topic says one thing, and your body says another, I got a Injen CAI from TTR (Vendor) got it in 2 days. READ THE INSTRUCTIONS BEFORE INSTALL! FOLLOW EVERY STEP. I have yet to pull a CEL and I installed it on saturday!

I haven't seen a lot of gains yet, cuz I'm breaking her in still, but usually you can get about 8-10 hp and tq (someone correct me if I'm wrong) and it is noticeably louder 2nd-4th and 5th, but still sounds like 5th gear, only amplified!
Old 06-20-2006, 03:30 PM
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Read the subject, lol, I meant if i remove my catalytic converter, what gains can I expect and what can I do about the CEL
Old 06-20-2006, 03:39 PM
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Oh, that I can't help you, lol!

It just says "Cat Delete" in topic, and then in your body, it says "What kind of power gains can I expect with a Cold Air Intake, and what do you use to avoid a CEL?"

Not to be an ass, but I don't see what kind of power gains can I expect with a CAI AND A CAT DELETE..................? I guess I didn't read it the way you wanted it to be read. Common mistake; no-one is perfect!
Old 06-20-2006, 03:43 PM
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Originally Posted by 06VRCoupe
Oh, that I can't help you, lol!

It just says "Cat Delete" in topic, and then in your body, it says "What kind of power gains can I expect with a Cold Air Intake, and what do you use to avoid a CEL?"

Not to be an ass, but I don't see what kind of power gains can I expect with a CAI AND A CAT DELETE..................? I guess I didn't read it the way you wanted it to be read. Common mistake; no-one is perfect!
I wasnt trying to be hostile lol
Old 06-20-2006, 04:09 PM
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Anyone???
Old 06-20-2006, 04:35 PM
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That's a stupid idea. You can make up to 400 hp with a full exhaust on these motors if done right. There is no point in getting rid of your cat and hense making your car illegal.

If you did infact remove it, you would probably pick up a few horse 3 - 4 I'd say tops.
Old 06-20-2006, 05:30 PM
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Illegal depends on were you are, I know in alberta you can take it off and not be illegal, and never worry about failing emissions, because we dont test here.
Old 06-20-2006, 06:44 PM
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Modern cats are not like the older ones, they don't really suck up that much power. in fact, i think that most cars, with the ECUs as they are would just try to correct when it doesn't see one and all you'll do is LOSE power.
Old 06-20-2006, 07:00 PM
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here in the uk we can get a 200cell cat pipe which gives us an extra 8bhp
Old 06-20-2006, 07:04 PM
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Get an O2 simulator. Problem solved
Old 06-20-2006, 07:06 PM
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Wont lose power. The second O2 sensor serves no fuel trimming purpose
Old 06-20-2006, 07:48 PM
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Originally Posted by J_Rod
Wont lose power. The second O2 sensor serves no fuel trimming purpose

i've never seen a car with a CEL that ran as well as one without.
Old 06-20-2006, 07:59 PM
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O2 simulator, got that, now what kinda gains can i expect without a cat??
Old 06-20-2006, 08:32 PM
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Originally Posted by HackAbuse
O2 simulator, got that, now what kinda gains can i expect without a cat??

well, following the laws of logic, if your exhaust flow is higher, you'll gain more power at higher RPM. i would guess if you're running right besides... maybe maybe MAYBE 3-5hp at peak.
Old 06-21-2006, 09:13 AM
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Hey hack, I wasn't trying to be hostile either, I guess I just didn't understand. Oh well, life goes on!
Old 06-21-2006, 10:40 AM
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Originally Posted by joeworkstoohard
well, following the laws of logic, if your exhaust flow is higher, you'll gain more power at higher RPM. i would guess if you're running right besides... maybe maybe MAYBE 3-5hp at peak.
I think I might just hack it off and straight pipe weld it. I'm getting a cat-back exhaust in two weeks, and i already have an intake, and combined with my header when i get it, it'll add up to a pretty free flowing exhaust
Old 06-21-2006, 01:40 PM
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the only thing u can expect with a cat delete is a horrible sound and a CEL.
Old 06-21-2006, 01:46 PM
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Originally Posted by HackAbuse
O2 simulator, got that, now what kinda gains can i expect without a cat??
None. It won't help you any in your situation. It will be just loud.

Point blank, don't do it.
Old 06-21-2006, 01:47 PM
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Originally Posted by HackAbuse
I think I might just hack it off and straight pipe weld it. I'm getting a cat-back exhaust in two weeks, and i already have an intake, and combined with my header when i get it, it'll add up to a pretty free flowing exhaust
Straight piping is worthless in your situation as well.

Listen, if you want to do anything, while you're getting the cat-back setup, get an high flow catalytic converter to keep the same diameter going throughout your exhaust system. Getting rid of the cat won't do anything to help you in performance and might even cause a loss of power.
Old 06-21-2006, 01:49 PM
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Originally Posted by J_Rod
Wont lose power. The second O2 sensor serves no fuel trimming purpose
Losing power has more to do with exhaust flow and back pressure rather than fuel trimming.
Old 06-21-2006, 10:59 PM
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This is really just not a good idea. You are going to cut it out and weld in a straight pipe just to see what might happen happen? uh, ok...
Old 06-22-2006, 12:35 AM
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Originally Posted by Halfcent
This is really just not a good idea. You are going to cut it out and weld in a straight pipe just to see what might happen happen? uh, ok...
Squeezing every last bit of hp counts when you're running N/A

Just trying to figure out if running without a cat will benefit any gain over keeping it on
Old 06-22-2006, 01:18 AM
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Originally Posted by HackAbuse
Squeezing every last bit of hp counts when you're running N/A

Just trying to figure out if running without a cat will benefit any gain over keeping it on
Sorry if it sounds like we're getting on you but we're just giving you a heads up before you do something that isn't worth your time or money.

If you want real n/a power, you're gonna have to tear into the motor.
Old 06-22-2006, 01:21 AM
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leave it all your going to do is sound like **** and have a CEL
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