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High Flow Cat Question - CELs

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Old May 4, 2025 | 08:36 PM
  #21  
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No resolution. Didn’t hear back from Soul last week so I’ve reached out again. I had a ship do the install but I did feel around and it does seem like the plug for the second “bung” is loose on both sides. Why is that even there if the solution is to simply loc tight it shut?

As far as the CELs, it comes on consistently after driving the car for what seems like a specific period of time (as mentioned by someone else). I can then clear the code and drive the car without the CEL returning until I turn off the car and let it sit for any meaningful amount of time (say a few hours). After it sits and I restart, the CEL returns after everything gets up to temp and the internal systems test is conducted. Super annoying. Love the sound but not sure I can live with it this way.
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Old May 4, 2025 | 10:29 PM
  #22  
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Originally Posted by blraider97
No resolution. Didn’t hear back from Soul last week so I’ve reached out again. I had a ship do the install but I did feel around and it does seem like the plug for the second “bung” is loose on both sides. Why is that even there if the solution is to simply loc tight it shut?

As far as the CELs, it comes on consistently after driving the car for what seems like a specific period of time (as mentioned by someone else). I can then clear the code and drive the car without the CEL returning until I turn off the car and let it sit for any meaningful amount of time (say a few hours). After it sits and I restart, the CEL returns after everything gets up to temp and the internal systems test is conducted. Super annoying. Love the sound but not sure I can live with it this way.
After mine came out twice, Sam from Soul sent me steel caps he told me thr brass caps are used becuase they dont seize like the steel caps will. When thry sent me steel caps they also sent me rocksett thread locker. That stuff is rated for up to 2k degrees. So far my steel caps and thr rocksett has not come loose. Now I just get a different CEL code.

I agree with you. I love the sound and resetting the cel is easy but its still annoying. I'm really contemplating sending mine back...
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Old Sep 9, 2025 | 08:37 AM
  #23  
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Originally Posted by SinisterC6
Spacers are a must, only see a CEL after 300 miles on catless pipes
ON a c8 Z06?
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