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O2 Sensor Exhaust Question Help?

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Old Jul 25, 2010 | 12:41 AM
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Default O2 Sensor Exhaust Question Help?

In the next few weeks I will be having Jeremy Formato dyno tuning my 2008 C6 A6 436hp/428tq vehicle in Gettysburg, Pa.

Before dyno tuning it; he will be swapping out my LS3 intake and throttle body for his Stage 2 Ported Versions.

In addition; I'm also installing the new Halltech Carbon Fiber Killerbee II CAI and carbon fiber Beehive which requires MAF tuning.

Finally, Jeremy is going to remove my entire factory 2.5" NPP exhaust and install the complete Z06 3" system.

Question:

The Z06 catalytic converters have o2 sensors before and after each of the cat's. Does my current factory exhaust system have 02 sensors both before and after each catalytic converter as does the Z06 system?

If it does not; what additional types of o2 sensors will I need and where can I get them from?

Given that I have never had my car tuned and the drivetrain is still factory stock; what kind of realistic rwhp and torque numbers should I expect from the installation of the Halltech KillerBee II CAI, Ported LS3intake, Ported TB, Z06 exhaust and Dyno Tuning?
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Old Jul 25, 2010 | 06:59 AM
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You also have 4 O2 sensors. Front's control fueling and rears monitor catalyst efficiency.
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Old Jul 25, 2010 | 10:37 AM
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Originally Posted by Elless2
You also have 4 O2 sensors. Front's control fueling and rears monitor catalyst efficiency.
So are there 4 o2 sensors on the my OEM LS3 exhaust just as there are 4 sensors on the OEM Z06 exhaust?
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Old Jul 25, 2010 | 10:38 AM
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Originally Posted by C6LSx
So are there 4 o2 sensors on the my OEM LS3 exhaust just as there are 4 sensors on the OEM Z06 exhaust?
Correct. Two pre-cat and two post-cat.
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