4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

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Old 09-24-2009, 05:11 PM
  #1  
lawdog205
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I have a set of shorty headers on my 99 GT now..running 10 PSI on a Procharger..

how much benefit if any would long tube headers give me..

Thanks
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Old 09-24-2009, 05:16 PM
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mrtstang
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All i can tell you is what they did for me on a 100 shot of nitrous. With just the long tubes (compared to stock manifolds) i gained 20 rwhp and 57 rwtq. This was with no additional tuning either.
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