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  1. #1
    Join Date
    Jan 2008
    Location
    northern california
    Posts
    328

    Default aluminized mufflers

    Most replacement mufflers for older vehicles are aluminized steel. What is the advantage of aluminized steel over galvanized steel? Does it hold up to heat better?

  2. #2
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,895

    Cool

    It must have something to do with the heat. Where i used to work we made giant ovens and the skins were aluminized....Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  3. #3
    Join Date
    Mar 2007
    Posts
    356

    Default

    gl trying to find a galvanized muffler, they are all aluminized, its much the same idea as galvanizing, resists corrosion, and last a very long time
    mm210
    maxstar 150

  4. #4
    Join Date
    Jan 2007
    Location
    Midland, Mi.
    Posts
    313

    Default

    My aluminized Flowmasters have been through 12 Michigan winters and have only a small amount of rust on them. The rest of the exhaust system has rotted out several times!

  5. #5
    Join Date
    Nov 2007
    Location
    Jackson, MI
    Posts
    57

    Default

    Quote Originally Posted by TS-Off-Road View Post
    My aluminized Flowmasters have been through 12 Michigan winters and have only a small amount of rust on them. The rest of the exhaust system has rotted out several times!
    That has more to do with the thickness of the material than the coating on it. You'll never find exhaust tube as thick as Flowmaster makes their mufflers. Chances are "the rest" of your exhaust system was aluminized too.

  6. #6
    Join Date
    Jul 2007
    Location
    Southern NH
    Posts
    233

    Default

    Quote Originally Posted by ck welding View Post
    That has more to do with the thickness of the material than the coating on it. You'll never find exhaust tube as thick as Flowmaster makes their mufflers. Chances are "the rest" of your exhaust system was aluminized too.
    actually i would say the base material has a greater impact on corrosion resistance than either the coating or any small variation in thickness. i've seen some pretty *thick* steel tubing turn to mush because the base material was terrible.

  7. #7
    Join Date
    Jan 2007
    Location
    Midland, Mi.
    Posts
    313

    Default

    Quote Originally Posted by ck welding View Post
    That has more to do with the thickness of the material than the coating on it. You'll never find exhaust tube as thick as Flowmaster makes their mufflers. Chances are "the rest" of your exhaust system was aluminized too.
    True, they are quite heavy.

    The stainless Flowmasters aren't much more $$

  8. #8
    Join Date
    Jun 2007
    Location
    Camden, SC
    Posts
    156

    Thumbs up SS Flowmasters No Longer Available

    Quote Originally Posted by TS-Off-Road View Post
    True, they are quite heavy.

    The stainless Flowmasters aren't much more $$
    Both the 304- and 409 Stainless Steel "Hushmaster" mufflers have been discontinued. All Flowmaster mufflers are manufactured from aluminized 16ga steel WITH THE EXCEPTION OF the new Super 44 Off-Road series, which are made from 14ga diamond plate (steel) and then aluminized. All muffler tubing is aluminized (unless ordered from a specialty shop or custom fabricated) and is usually either 18ga or 16ga.

    http://www.flowmastermufflers.com/pr...oducts_id=4157

    Clint Baxley
    Baxley Welding Service
    Rembert, SC 29128

  9. #9
    Join Date
    Jan 2007
    Location
    Midland, Mi.
    Posts
    313

    Default

    I'm a dealer for Flowmaster

    You can get most Delta Flow/40 and Delta Flow/50 Flowmasters in 409 SS and Hushpower II Flowmasters are 309 SS

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