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Old 06-29-2006, 03:59 AM   #1
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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 06-29-2006, 04:09 AM   #2
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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 06-29-2006, 04:18 AM   #3
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Old 06-29-2006, 04:38 AM   #4
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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 06-29-2006, 11:40 AM   #5
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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 06-29-2006, 12:31 PM   #6
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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 06-29-2006, 01:12 PM   #7
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Quote:
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

Quote:
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 06-29-2006, 01:16 PM   #8
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Quote:
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 06-29-2006, 01:35 PM   #9
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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 07-02-2006, 03:45 AM   #10
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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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