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Stephen Agnew (Sagnew7)
New Member
Username: Sagnew7

Post Number: 16
Registered: 05-2003
Posted on Monday, August 04, 2003 - 08:35 am:   Edit Post Delete Post Print Post

I am at the point now where I need to get new catalytic converters, however I'm not excited about paying $800 either (seeing as I just got a new engine). I was going to try and get a hold of some used ones....but it's against the law! So I called Nathan at xks and here is an option he told me:

I could purchase some after market cat converters for around $150-$200 (from summit racing for example) and weld them on, and it would work and pass inspection.

Has anyone heard of this procedure being done? Pro's, Con's?
 

Alyssa Brown (Alyssa)
Member
Username: Alyssa

Post Number: 244
Registered: 01-2003
Posted on Monday, August 04, 2003 - 10:17 am:   Edit Post Delete Post Print Post

Stephen, lots of people do this. You should check the archives, where you should find a bunch of information. You will be completely fine doing this.
I see that you have a 1996 Discovery. Does it have over 80k miles? If not, it is still under the federal emissions warranty, and you can get them replaced for free.
 

Stephen Agnew (Sagnew7)
New Member
Username: Sagnew7

Post Number: 17
Registered: 05-2003
Posted on Monday, August 04, 2003 - 01:03 pm:   Edit Post Delete Post Print Post

The car has 115k miles, however the new engine I just had installed has 8k miles, the cats on there right now are the original ones. Thanks for the input, i'll check out the archives
 

Bruce Potier (Brucep)
New Member
Username: Brucep

Post Number: 24
Registered: 06-2003
Posted on Monday, August 04, 2003 - 09:17 pm:   Edit Post Delete Post Print Post

Stephan, what are the signs telling you the cats are bad? I have some funny sounds I think are coming from my cats and Iam curious.
Thanks
 

Brent (Silly_me)
New Member
Username: Silly_me

Post Number: 40
Registered: 07-2003
Posted on Tuesday, August 05, 2003 - 07:38 am:   Edit Post Delete Post Print Post

>>>what are the signs telling you the cats are bad? I have some funny sounds I think are coming from my cats<<<

Typically the number one way to tell the cats are bad would be a heavy sulfer smell/rotten eggs. Your cats will make ticking noises in normal operation as they cool.
 

Stephen Agnew (Sagnew7)
New Member
Username: Sagnew7

Post Number: 19
Registered: 05-2003
Posted on Tuesday, August 05, 2003 - 08:49 am:   Edit Post Delete Post Print Post

Brent is exactly right, you will know...that ticking noise is so annoying!!
 

Jared Schnelle (Jared)
Member
Username: Jared

Post Number: 174
Registered: 09-2002
Posted on Tuesday, August 05, 2003 - 02:04 pm:   Edit Post Delete Post Print Post

I bought 2 catalytic converters from Summit Racing for 55 dollars each. They got here in about 3 days. I then took them to a local muffler shop, whom I paid $110 to for them to install the cats.

Not too bad, considering they have to completly disconnect the Y pipe from the exhaust manifolds, weld the new ones back in, and dispose of the old ones. I also had them cut off the resonator on the back and weld in a down-pipe.

So, all in all it was about 230 bucks.

It used to sound like a tank .. and now it doesnt :-)

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