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up pipe leaking

  1. Up pipes and exhaust manifold

    6.4L Problems Forum
    Was wondering if anyone knew the time frame estimate on doing the exhaust manifolds and up pipes on a 08 6.4L. Up pipe is broken on pass side so am gonna get both and new manifold just curous on how long id be without wheels?
  2. 01 7.3 sluggish and lower boost

    99-03 7.3 Motor Problems
    I have a 2001 7.3 with afe intake, edge juice w/ attitude, 4" magnaflow straight exhaust. I has had a little leakage on the up pipes for a while, but recently the boost only gets to 15-16lbs where before it was 25-27 wot. Also check engine light comes on after 15 lbs of boost then truck seems...