[s-cars] LAC-Stromung

[David Kase]

Thanks a ton Taka.  Lots of good info for me to sort through.

I put a DEC cat on my wife's Honda Odyssey and I am happy with it.  It 
was a recommended brand by a BMW guy on that crazy, party forum - 
OdyClub.com.

Dave Kase


Taka Mizutani wrote:
> Dave-
> I don't know exactly what the setup is on an E36 M3- I seem to recall 
> twin-pipe with twin cats, though.
>
> If you have enough space to do it, you could get replacement high-flow 
> cats that you would have to cut and splice in.
>
> Maybe that's what they meant about cat guts? You can get replacement 
> cats complete from BMW, that's for certain.
>
> Have you checked this out?
> http://www.rogueengineering.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=CATS 
> <http://www.rogueengineering.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=CATS>
>
> Here's a replacement cat:
> http://www.car-stuff.com/mmparts/bmw-m3/catalytic_converter.html 
> <http://www.car-stuff.com/mmparts/bmw-m3/catalytic_converter.html>
>
> Here's another:
> http://www.autopartswarehouse.com/mmp/bmw~m3~catalytic_converter~parts.html 
> <http://www.autopartswarehouse.com/mmp/bmw%7Em3%7Ecatalytic_converter%7Eparts.html>
>
> http://www.bimmerpartswholesale.com/BM_Catalytic~Converter_list.html 
> <http://www.bimmerpartswholesale.com/BM_Catalytic%7EConverter_list.html>
>
> http://catalog.worldpac.com/ibusiness/JSP.v.1.01/wizard.jsp?header=http://www.alleuropeanautoparts.com/header.txt&footer=http://www.alleuropeanautoparts.com/footer.txt&partner=ipb&clientid=alleuropeanautoparts&baseurl=http://www.alleuropeanautoparts.com/&cookieid=2530SDQU72530SDQU6&year=1996&make=BM&model=M3--003&category=All&part=Catalytic+Converter 
> <http://catalog.worldpac.com/ibusiness/JSP.v.1.01/wizard.jsp?header=http://www.alleuropeanautoparts.com/header.txt&footer=http://www.alleuropeanautoparts.com/footer.txt&partner=ipb&clientid=alleuropeanautoparts&baseurl=http://www.alleuropeanautoparts.com/&cookieid=2530SDQU72530SDQU6&year=1996&make=BM&model=M3--003&category=All&part=Catalytic+Converter>
>
> http://www.thepartsbin.com/catalog/products.php?make_text=bmw&year=1996&part_name=catalytic_converter&catalog=pwu&make_code=bm&model_text=m3&ml=m3--003&category=exhaust&brand_name=&price_range=&uni=1&sort=0&limit=0&uni=0 
> <http://www.thepartsbin.com/catalog/products.php?make_text=bmw&year=1996&part_name=catalytic_converter&catalog=pwu&make_code=bm&model_text=m3&ml=m3--003&category=exhaust&brand_name=&price_range=&uni=1&sort=0&limit=0&uni=0>
>
> Now I don't know the difference between DEC and Miller, but those two 
> keep popping up. Looks like DEC is non-CARB compliant on OBDII cars, 
> while Miller's is.
>
> BTW, don't cheap out on cats for the BMW- they're pretty sensitive to 
> exhaust changes as the engine is tuned pretty well from the factory- a 
> lot of aftermarket exhausts lose power rather than gain. With cats, if 
> they can't flow well, they'll choke the exhaust flow. On the other 
> hand, if they flow too well, you might need to get the ECU 
> recalibrated for the change
> HTH,
> Taka
>
>
> On 7/25/07, *David Kase* < davekase at pdqlocks.com 
> <mailto:davekase at pdqlocks.com>> wrote:
>
>     So, my brother -in-law wants to replace his exhaust on his E36
>     M3.  The
>     cats are bad and he wants to add a cat-back.
>
>     He contacted Stromung and was given a price for the cat-back.  When he
>     asked about a cat, he was told that the only thing Stromung would
>     recommend is replacment of the cat guts with new ones from BMW.
>     Anything else would be sub-par.
>
>     My b-i-l is not an all out car guy but he is no butter-nut either.  He
>     asked me about this situation.  I am stumped.  Replace cat guts?
>
>     Anyone know anything about this?  Any recommendations for a
>     replacement cat?
>
>     TIA,
>     Dave Kase
>     non-Ur S4
>     e//S2
>
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