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Old 05-15-2004, 02:41 AM   #1
Silvere36
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Removing Cat



Just wanting to know if anyone has removed the Cat from there car, and what kind of effect it had. Power increase? Oxygen sensor problems? or just didn't do anything. Someone mentioned that it worked well for them, but I wanted some more info before I decided if it was worth it or not.
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Old 05-15-2004, 03:55 AM   #2
AmaRu
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ya i would like more info on that to, i was thinking about doing it to my e30 i heard of a power increase wut do you need to do it?
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Old 05-15-2004, 11:09 AM   #3
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Not much of a difference. You will loose too much backpressure.. unless you're always on the track at 4000 - 6500 RPM.
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Old 05-15-2004, 01:46 PM   #4
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Well, there is alwats the Active Autowerkes track pipe, which is a bolt in solution for getting rid of your cat. They claim some decent gains, but it's not the kind of thing I'd get without having other engine work first.

http://www.aatuning.com/exhaust/exhtrackpipe-e36.cfm
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Old 05-15-2004, 02:46 PM   #5
teddy317
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best thing to do change the header dont worry about the cat doesnt do much just to save environment ... header is work alot save a couple of bucks...also use 94 octane gas and you feel the power.. try it run 140 with 94 octane then step the gas trough then you feel yr flying be careful on cops loll..
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Old 05-16-2004, 11:41 PM   #6
AmaRu
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Quote:
Originally posted by pwrsurge
Not much of a difference. You will loose too much backpressure.. unless you're always on the track at 4000 - 6500 RPM.
so are you saying you would loose power at lower rpms, and have gains at higher rpms? im interested in doing this has anyone done it?
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Old 05-17-2004, 12:22 AM   #7
SeRb
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isnt it illegal to remove the cat?

might wanna take that into consideration if u get caught u will get a very hot flaming rod shoved up your exit hole
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Old 05-17-2004, 02:30 AM   #8
AmaRu
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meh...if it will increase the power of the car without spending alot of money i could care less if its illegal...neways has anyone done it or can someone give me more info on this?
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Old 05-17-2004, 02:44 AM   #9
pwrsurge
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Doesn't Toronto have enough smog as it is???
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Old 05-17-2004, 04:51 PM   #10
Silvere36
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I'm in Edmonton, so I wouldn't be adding to your smog problem. Not sure if I would do it anyways, just wondering if anyone has, and if it was worth it. Has anyone done underdrive pulley's? does that make much a difference?
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