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getting the right cat

Old Jun 29, 2006 | 02:59 AM
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Ok all the problems I have been having is I have a bad cat to come find out so I would like to know which cat would fit perfectly with my stock exaust?I found one @ http://www.zzperformance.com/grand_p...ts1.php?id=364

Will this one mount right up and do I need a o2 simulator with this cat?

Thnax for any help!
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Old Jun 29, 2006 | 03:09 AM
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Oh I forgot to mantion that the shop said to me that I need to get a exact fit otherwise they wont do it and they want to sell me one or there cats for like $479.00,the guy did say that if I could find one that is a direct fit with the stock exaust he would only charge me $125 to replace it so saving like $400 would be awesome!
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Old Jun 29, 2006 | 03:18 AM
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http://www.autopartswarehouse.com/ap...00&modelid=770

Would this one work is it junk?
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Old Jun 29, 2006 | 03:38 AM
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sorry to keep replying but I want the one that will allow the most flow and will be able to weld right up thanx for the info guys
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Old Jun 29, 2006 | 10:40 AM
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The ZZP picture is not a direct fit..that'* a universal. The second link says direct fit. So it should be what your guy wants.

As far as best flow..I'd check www.justmagnaflow.com for a direct fit.
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Old Jun 29, 2006 | 11:31 AM
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That may be the same one that ToastedOats was looking at in this thread....

http://www.bonnevilleclub.com/forum/...ic.php?t=52522
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Old Jun 29, 2006 | 12:12 PM
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Originally Posted by Archon
That may be the same one that ToastedOats was looking at in this thread....

http://www.bonnevilleclub.com/forum/...ic.php?t=52522
here is what i posed in the thread

Originally Posted by toastedoats
After a couple weeks of struggling with a heavily clogged cat, i ended up ordering what is supposed to be a direct fit replacement through ebay from "Autoparts Warehouse" It is not marketed as a high flow cat, however it is a 3 INCH cat with a step down pipe on it to bolt up to the stock B-pipe, so even though i dont think it is technically a high flow cat, it is larger and in theory, a higher flow rate, probably equal to that of a high flow 2.5"
on a side note, if anyone wants to buy one, its cheaper on ebay, search the part #, i found it listed for a LeSabre and got it for 137 Shipped
this is what i bought... Its not TECNICALLY marketed as a high flow, but it is 3" in and out instead of 2.5", so will probably flow just as well as a 2.5" high-flow, and its direct fit.

http://replacement.autopartswarehous...verter&dp=true
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Old Jun 29, 2006 | 12:16 PM
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Originally Posted by BillBoost37
The ZZP picture is not a direct fit..that'* a universal. The second link says direct fit. So it should be what your guy wants.

As far as best flow..I'd check www.justmagnaflow.com for a direct fit.
be warned that the wait for one of these is long. No one stocks them and Magnaflow doesn't build them until there are enough orders.
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Old Jun 29, 2006 | 12:35 PM
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Understood..thanks for the explaination as to why most don't stock..good to know.

I bought a universal and heard a ton of whining later because of it.. cost more too.
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Old Jul 2, 2006 | 02:45 AM
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I tried to contact Magnaflow about a direct fit but I never got a response. May I suggest http://hoganperformance.com? I bought a direct fit high flow and it fit no problem at all.

http://www.bonnevilleclub.com/forum/...ic.php?t=57522

Ed
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