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04-06 Ralliart Engine/Drivetrain (no forced induction)

question about removing cat...

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Old Mar 3, 2007 | 06:07 PM
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From: california
question about removing cat...

im looking to remove my cat but what is the cel eliminators i heard about? i was just going to have a guy i know swap a pipe for the cat, is there more to it? should i go with the rrm cat elim?
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Old Mar 3, 2007 | 09:33 PM
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You don't need the cel elim, but your light will be forever on. If you just swap a straight pipe for the cat, you won't have a place to screw in your O2 sensor.

I think a better alternative is to wait until you can afford the RRM header/dp/highflow cat/cat back combo. Then you'll be legit and it won't sound like crap.

Originally Posted by akujiki87
im looking to remove my cat but what is the cel eliminators i heard about? i was just going to have a guy i know swap a pipe for the cat, is there more to it? should i go with the rrm cat elim?
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Old Mar 4, 2007 | 04:15 AM
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Unfortunately I have the CEL on, but after a while its like its not there.
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Old Mar 4, 2007 | 07:09 AM
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Problem with just leaving the CEL on is that you might not know if another problem starts up.
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Old Mar 4, 2007 | 08:58 AM
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You should use an O2 simulator (secondary) search for them in ebay they cost around 25$ and they let you remove the whole catalytic and the sensor. Just remember is you are gonna remove the sensor entirely you would need a O2 simulator and a heater resistor both will be available from the same seller search for it.
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Old Mar 4, 2007 | 09:00 AM
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you can build your own cel eliminator with 2 spark plug non-foulers....search for non-fouler fix.
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Old Mar 4, 2007 | 09:04 AM
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From: california
thanks guys. the reason that i dont go with the rrm combo is because im goin to go with a turbo
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Old Mar 4, 2007 | 09:23 AM
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If you are going turbo please do not use the spark pulg non-fouler fix cause your A/F ratios will be around 12:0 and your fix might get the cel light too use the O2 simulator is better and you get to remove the O2 entirely and use a straight pipe (perhaps 2.5 like my setup and VTA wastegate)
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Old Mar 4, 2007 | 10:18 AM
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u can't have any "quick" fixes if you are going turbo.
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Old Mar 4, 2007 | 05:38 PM
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From: california
how do you remove it entirely? i was planing to go straight pipe when i get my turbo. can the stock exhaust set up be used with a turbo? like could i go have a kit installed and then do the pipe later?
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Old Mar 6, 2007 | 08:12 AM
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If you want to remove it completely(the 2nd O2 sensor) you should buy a O2 simulator and it's heater resistance PM me and I will give you the link for that. If you are going turbo I don't recomend using the stock exhaust even with no Cat. cause you will need more flow= more diameter. I am runnin a 2.5" straight pipe with a 3" straight muffler and a 3"resonator. My wategate is Vented to Atmosphere so It does not adds to the stock flow.
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