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Old Feb 1, 2020 | 11:52 PM
  #1  
Matthew Awdish's Avatar
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Default Header help

I have a 2012 corvette base ls3 and I installed longtubes and x pipe from speed engineering and well my o2s melted so I’m taking to headers off, heat wrapping them and also heat wrapping the o2 extensions. I have the car up on jack standsand ramps, the plug wires are off and the driver side header is unbolted, every clamp is in done and so are spring hangers, I CANT seem to get the damn headers out of the x pipe. I’ve tried taking the exhaust apart and I can’t get it off anywhere else either, I don’t have access to the back of the car right now as I have the garage closed and it’s 2 cm from the garage door (the other side of the door is 3 feet of snow lol) so I don’t wanna remove mufflers fully off the car if I don’t have to, any help at all would be great! Thanks
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Old Feb 2, 2020 | 05:41 AM
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If I were doing the job I would want my headers bolted to the head while trying to remove the x-pipe. If you can reattach the one that’s off without damaging the threads in the head for the header bolts it may make it easier for you. Good luck!
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Old Feb 2, 2020 | 04:16 PM
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Would leave headers bolted up then remove x pipe from mufflers tailpipe or from headers.

I'm also running the speed engineering setup but the one exception I made was to go with 31 inch 02 extensions instead of the 24 inch they offer. The longer the better, I was able to get the wiring far away without wrapping anything.

Good luck.
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Old Feb 4, 2020 | 07:31 PM
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If your talking rear O2 sensors I would plug them and have a tuner shut them off.
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Old Feb 5, 2020 | 10:43 PM
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Originally Posted by Raffman55
If your talking rear O2 sensors I would plug them and have a tuner shut them off.
x two here only use the front ones.
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