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Thread: Harmon Exhaust Manifolds on Ford 460 info?

  1. #11
    mgar_red
    CP has these. They were listed in the '04 catalog as H.M. and sold in pairs. They now say they're out of stock.
    http://www.cpperformance.com/detail.aspx?ID=6124

  2. #12
    Mighty Thor
    Yep, thats the welds I am talking about, but When I pulled my snails off I saw what looked like a crack running from the water passage to the stud hole so I figured it was a repair. Not so sure now.

  3. #13
    jtmarten
    Are you running your outlets OT or thru-hull? If thru-hull do you have flappers? Without flappers you could still be getting water pushing its way past the riser.

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