308 Catalytic Converter replacements - Ferrari Life
 
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post #1 of 6 Old 12-26-2011, 09:58 AM Thread Starter
 
Join Date: Nov 2011
Location: Newark DE
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308 Catalytic Converter replacements

Any tips or hints on how to replace the catalytic converters on a '83 308qv? Tools needed, step by step etc....
Plan on replacing originals with Hyper-Flows

Thanks in advance
Glenn Frenck
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post #2 of 6 Old 12-26-2011, 10:32 AM
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Location: Austin Texas
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I would stay away from Hyperflow. I have been having failures of their cats lately and they will not honor warranty coverage.


Their cats for a 308 are very overpriced and they provide no evidence there is any performance improvement. If you need cats I think you are far better off buying generic cats and saving more than 1000 dollars.

Last edited by Brian; 12-26-2011 at 10:40 AM.
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post #3 of 6 Old 12-26-2011, 12:20 PM
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i have had a hyperflow on my 328 for a couple of years without problems. Not discounting brian's experience, just adding another data point. No hp boost that i can claim, mainly sound. I remember looking into low restriction cats awhile ago and there are several producers. half of them will make them up for you or modify your cat if you send it in. Look around if you think the hyperflows are overpriced and/or fail. Mine was pretty cheap because i only needed one and got it new/second hand. i think i paid $600? anyway, there are always test pipes.

by the way, on the 328 it is a pretty simple bolt on that would be self explanatory when you look at it. Don't know if your 308 is similar.



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post #4 of 6 Old 01-07-2012, 08:14 AM Thread Starter
 
Join Date: Nov 2011
Location: Newark DE
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Reference material

Hyperflow catalytic converters for 308's

Passed Delaware emissions inspection with flying colors. results below for reference.

HydroCarbons limit 220ppm Tested 11ppm @ low idle (990rpm)
limit 220ppm Tested 0 ppm @ high idle (2500rpm)

Carbon Monoxide limit 1.2% Tested .01% @ low idle
limit 1.2% Tested .01% @ high idle

Really shows that the old cat's were well and truly shot. I did save them though...
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post #5 of 6 Old 01-07-2012, 03:59 PM
 
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I have sold many and installed many hyper flow cats. I never had a problem. Not to say that thing do happen. Troy at hyper flow has always been good to me.Just my experience.
Alex.
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post #6 of 6 Old 01-07-2012, 04:02 PM
 
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Most failures that i heard about are from the car's not running correctly and melting the cats.
If the car melts the cats no one will warranty the parts
Alex.
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