Ferrari Mailing List: Re: Has aynone Purchased Stebro 355 Cats ?

[Dave Handa (dave]

Regardless of the design, I have heard way too many horror stories on
Ferrarichat.com to recommend dealing with Stebro.  Seems at least 50% of
people have problems with either late delivery, no delivery, being charged
and not shipped, and not getting a refund on returned product.  Also issues
with fitment as well.  I remember one guy returned his exhaust three times
and never got one that fit! Don't be tempted by the low prices...

>From what I have read, it is very important in the design of a cat, the
location and depth of the mounts for the O2 sensors.  If they are not placed
correctly, you will get "check engine" lights illuminated on your dash and
error codes in the OBDII.  

There are many alternate cats, Hyperflow, Capristo, Kreissieg 

http://www.kreissieg-usa.com/index.php?page=detail&brid=1&mid=4&cid=11&oid=1
2&pid=9

Not sure who makes these:
http://www.hgparts.net/catalog/product_info.php?cPath=19_10&products_id=32

The factory Ansa cats don't appear to offer much restriction, but seem to be
lacking in durability.  The ceramic cores commonly fail and break loose and
rattle around and crumble apart.  One option is to remove them and have them
rebuilt here: http://www.millercat.com/recertprocess.html  Basically, they
will cut open the cat, replace the core and reweld it.  Not sure of the
cost, but around $400 I hear.

I have no personal experience, but Brian Crall a Ferrari Tech on fchat,
claims to have used them many times and yet to have a failure.





-----Original Message-----
From: rich [mailto:RichF355 [at] comcast.net] 
Sent: Wednesday, February 28, 2007 7:03 PM
To: dave [at] davehanda.com
Cc: The FerrariList
Subject: [Ferrari] Has aynone Purchased Stebro 355 Cats ?

If you have can you tell me if they are close to Hyperflow in  design and
core construction. also if there is any big difference in air flow , etc.
Thanks, Rich
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