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LS1 with no cats

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Old Sep 19, 2005 | 08:52 PM
  #41  
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Originally Posted by TigerSharkVette
someone told me if i took my cats out i could probaly get flames is that true?
My LT1 Z28 used to shoot flames out of both tailpipes when I lifted going into a corner at the track. It had a hollowed cat. My friend driving behind me said it looked pretty sweet. Never could get any pictures, though.
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Old Jul 14, 2010 | 06:37 PM
  #42  
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I am catless and it's pretty damn loud at WOT with just a muffler.
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Old Jul 14, 2010 | 07:30 PM
  #43  
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No cats on mine and it still spouts flames through the duals occasionally.

One thing to note, hollowing the cats out is going to create an expansion chamber at that point in the exhaust, which will slow the exhaust gases down, theoretically leading to a slight power loss. Don't know if anyone's actually dyno'd the changes, though, or if they'll even exist in real life with a near-stock LS1.
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Old Oct 23, 2019 | 01:12 AM
  #44  
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Only 1 side needs o2 extension ... the driverside i belive work fine,, ordered o2 extentions , tuner said i only needed 1 and im stuck w/ 1 useless one , 💯
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Old Oct 23, 2019 | 11:13 AM
  #45  
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Originally Posted by BadAzz99TransAm
Only 1 side needs o2 extension ... the driverside i belive work fine,, ordered o2 extentions , tuner said i only needed 1 and im stuck w/ 1 useless one , 💯
……..he replies to a 9-year old thread....
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