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i'll b gettin the downpipe this fri i was plan on installin it the same day. i hear that i need a 02 simlutor
for it. is it ok if i drive my car 4 couple dayz while it is on or will it effect my car in a bad way? i juz wanna c wut i run at the tracks at sac raceway on feb 5th. hopefully run a faster time. is the o2 sensor easy 2 install.

 
Rep Power: 412

I don't see any problem. It's not gonna hurt your car. But that annoying check engine light will be on, that's all.

 
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Shoulddn't be a problem except if something else goes wrong with your motor you just won't know it cause the light will already be on.

Please come back and tell us what improvements you see in your times.

thanks

 
Rep Power: 419

Read this: Building an O2 Sensor Simulator

 
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I did not need one. I got a CEL after the 2nd long trip and didn't bother with it for 4 days and it went away. Im not sure why, maybe the ECU just needs to adjust. I have reset my ECU maybe 5 or 6 times since (for other mods, not to get rid of the CEL) and it hasn't come back yet (maybe 4 months now). So i would wait it out for a week and see if it goes away, if it doesnt then get the sim, but it could save you that 50 bux...

 
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If we knew exactly what those O2 snesors wanted to see, we could prbably figure a way to theat them.

 
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iight, i'll tell u wut improvements i get at my time slips. mayb i'll get a sound clip of wut it sounds like, also some pixs of it on.

 
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yes you need it. i just ordered mine through Lake Effect PErformance for $44.00 plus $4.50 shipping. Talk to john. he is very helpful. The best part is that this ECU Sim is installed next to your OEM ECU and it includes wiring schematics for out 7th gen's too.

here is the link. I will be recieving mine on Monday.. i will let you guys know how the install went. John said it would take approx 5 minutes to hook up once the ECU is located.(behind the glove box)

ECG O2 SIM

 
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SO does this just plug into the factory O2 sim harness or it located somwehere else
i never took mine out of the factory cat so noting is connected to my O2 sensor
is this bad??[IMG]i/expressions/face-icon-small-confused.gif[/IMG]
i didn't think it would be and the light doesn't bother me cause the gas light comes on just as much as the CHK ENGINE light so it creates a balance in the cluster

 
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I just installed the racing down-pipe today. The down-pipe gives the car little bit more deep tone sound to it; you can't even tell that you have it on . In the performance side of it, it gives more throttle response and more high end torque. I'll post more after i go to the tracks.