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355 Cats

Discussion in '348/355' started by dwwis, May 2, 2017.

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  1. dwwis

    dwwis Karting

    Oct 19, 2015
    68
    South Milwaukee Wi.
    Full Name:
    Dennis Wesley
    #1 dwwis, May 2, 2017
    Has anyone cut open the cats remove the insides and weld them back together
    would this hurt anything or cause a cel
     
  2. Dave rocks

    Dave rocks F1 World Champ
    BANNED

    Nov 23, 2012
    16,047
    Orchard Park, NY
    Full Name:
    Dave Lelonek
    #2 Dave rocks, May 2, 2017
    You don't need to cut them open - you can gut them from the ends. However, Fabspeed does offer a re-core service and they cut them open and re-weld after.
     
  3. johnk...

    johnk... F1 World Champ
    Owner

    Jun 11, 2004
    11,227
    CT
    Full Name:
    John Kreskovsky
    #3 johnk..., May 2, 2017
    A 95 will run fine with hollow cats. No issues at all. But if you have a good set of factory cats I wouldn't mess with them.
     
  4. tres55

    tres55 F1 Rookie
    Rossa Subscribed

    Sep 18, 2012
    3,572
    Canada
    #4 tres55, May 2, 2017
    Fabspeed catted o2 extenders worked to avoid CEL on my 98 F1 with test pipes.
     
  5. Drock28

    Drock28 Formula 3

    Jan 13, 2013
    1,430
    Montreal
    Full Name:
    Tony
    #5 Drock28, May 2, 2017

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