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Discussion Starter #1
does the standared mani have 2 sensors in it ? what happens to them when you fit the CPL manifold ?
 

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The standard exhaust manifold has 2 sensors.
The CPL race manifold has only 1 sensor bung for the primary sensor.
That means with this manifold you will also need flashpro to switch off the 2nd lambdasensor so you can leave it out.
 

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Yes it has two. The secondary one needs to be turned off when you install a decat
failure to do so will result in a CEL on your dash.
 

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Discussion Starter #4
how do i do that ? and what do you do with the sensor ? i am running a gp n map
 

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how do i do that ? and what do you do with the sensor ? i am running a gp n map
Via Flash pro manager. Just type in Secondary oxygen sensor into the help section and it will explain what to do. Its easy
 

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what one IS the secondary ?
Its an oxygen sensor. The secondary ones job is to check the cat is working and if not generate a CEL.
 

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Discussion Starter #12
how long should it take guys, want it doing today but everywhere says it looks like a nmight mare ! i was told it was quite easy from underneath ?
 

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how long should it take guys, want it doing today but everywhere says it looks like a nmight mare ! i was told it was quite easy from underneath ?
What is? Installing the CPL manifold or removing the second oxygen sensor?
 

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The last time I changed my stock exhaust manifold by my raceheader because of an MOT test took me 4 hours. After a while you get handy with it.
 

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You have to keep in mind that I have an AAS racemanifold on my FN2. This manifold has primary pipes which are divided in two parts so the manifold can easily be installed or removed.
 

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Takes different amount of time depending on how you do it.

Taking the front subframe off gives you better access from underneath and is quicker IMO. But then again I know some do not prefer this method.

Either way your talking 3 hours ish.
 
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