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Old Aug 24, 2016 | 02:58 PM
  #21  
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Originally Posted by usnfenix
given the OPs application of ls3 with nitrous I would agree 1 7/8 or 2" for a max effort build

the back and forth in this thread is because we all thought OP had an ls1 with street car build
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Old Aug 24, 2016 | 04:12 PM
  #22  
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Yeah I thought this was just a basic LS1 as well. Helps to be specific so you can get specific and accurate info
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Old Aug 24, 2016 | 04:38 PM
  #23  
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posted in GEN III section we all thought that
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Old Aug 24, 2016 | 07:18 PM
  #24  
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Pretty sure I'll be placing an order for 2" headers and will have a custom y pipe made
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Old Jun 6, 2020 | 01:04 PM
  #25  
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Hate to bump this, but did anyone do a dyno comparison with these on a fbody, all I can find is 2" on 5 th and 6th gens.
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Old Jun 10, 2020 | 01:19 PM
  #26  
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Looking to go from 1 3\4 headers to 1 7/8 or 2" , car traps 103 in the 1/8th, would like to trap 105, any thoughts?
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