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  1. #1
    My Boats:
    Donzi 22ZX
    Join Date
    Jul 2004

    Aluminum exhausts manifold service life?

    How long will a set of aluminum exhaust manifolds and risers last running in fresh water and occasionaly brackish water? I've been looking at Revolution until I found a site that will sell me an EMI set with everything for $1215 to my door. I cant find any warranty info at either website either.

  2. #2

  3. #3
    My Boats:
    1990 Mirage 257 , twin 6.2 MX
    Join Date
    May 2004
    Vancouver B.C Canada


    My two Spectras I've sold to friends [ 1972 & 1976 ] still have their original logs with thousands of hours on them . The 1978 Spectra jet we still have also has the original logs .The Revolution , Kodiak , EMI etc......should last just as long if you taking care of them flushing out after each
    use .

  4. #4
    Registered AIR TIME's Avatar
    My Boats:
    BAJA OL 650HP/ SABER 28 Gellner unlimited with konrad ace
    Join Date
    Dec 2000
    I have had my stainless marine dry set up since 94 or 95 I for get and thats salt water only, but do flush after use. art

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