355 Cats | FerrariChat

355 Cats

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

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  1. dwwis

    dwwis Karting

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    Oct 19, 2015
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    Location:
    South Milwaukee Wi.
    Full Name:
    Dennis Wesley
    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

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    Dave Lelonek
    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

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    John Kreskovsky
    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

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    Canada
    Fabspeed catted o2 extenders worked to avoid CEL on my 98 F1 with test pipes.
     
  5. Drock28

    Drock28 Formula 3

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    Jan 13, 2013
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    Montreal
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    Tony

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