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Cat Problems!

Old 03-10-2009, 12:49 PM
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Join Date: Jun 2008
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Default Cat Problems!

So a few weeks ago i had an emission systems warning pop up on dash and me and my brother deduced that a failed catalytic converter is responsible. i have a 99 s80 with a t6 and ive heard that the catalytic converter is "part of" the turbo downpipe and i was curious as to if it is possible to get a turbo downpipe without a cat on it? or what are my other options? whats going on?
Old 03-11-2009, 07:44 PM
Johnny Mullet's Avatar
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Location: Ohio
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What was the diag code? P0420?
Old 03-11-2009, 08:22 PM
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Location: Moorpark, CA
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Go to a muffler shop and have them cut the old one off and weld a new universal cat.
Old 03-11-2009, 10:18 PM
Join Date: Jul 2008
Posts: 91

I just changed mine myself on my 2000 T6. It was a piece of cake to do really. Bought it from It lists on their site for 386 minus a $30 coupon code I found and free shipping. Not too bad really for an aftermarket, I haven't had any problems since I installed a month ago. It's only 49 state legal in case you're in California though.
Old 03-12-2009, 08:23 PM
tech's Avatar
Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351

Originally Posted by Johnny Mullet View Post
What was the diag code? P0420?
+1 to that.
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