Catalytic Converter Replacement - Pontiac GTO Forum
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post #1 of 7 (permalink) Old 11-12-2014, 12:57 PM Thread Starter
 
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Catalytic Converter Replacement

So here's the shpeal. i have an 05 gto with 56,000 miles. I heard some pretty serious rattling coming from the front engine bay but went away by the end of the day. The next day the CEL comes on, get it scanned and it shows the low catalytic efficiency code. I take it to our local dealer and they want $2,200 to completely replace it. Yea that didnt happen. So now I'm taking it to a smaller shop where I know a lot of the guys and usually get taken care of. My question is, if it is just the catalytic converter, can the universal Magnaflow catalytic converter replace it. The guy from the dealership swore a $100 part wouldnt fix the problem but I'm not so convinced.
Thanks for the help.
And its my first post, so be nice.
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post #2 of 7 (permalink) Old 11-12-2014, 02:47 PM
 
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I haven't had to replace mine, but I'm seeing replacements for sale at auto parts stores for as little as $100 each. (Also see them at $440 each.)
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post #3 of 7 (permalink) Old 11-12-2014, 08:24 PM
 
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If you have time, keep an eye on the xbay site, I have seen several come up for 25% of what the dealer is quoting you.
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post #4 of 7 (permalink) Old 11-13-2014, 08:07 AM Thread Starter
 
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25% off the gm part or an aftermarket part like magnaflow?
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post #5 of 7 (permalink) Old 11-13-2014, 11:50 AM
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Get a high flow Dynatech cat

2004 Blk/Rd M6
6.3 litre LS1

Built and tuned by svede
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post #6 of 7 (permalink) Old 11-13-2014, 12:42 PM
 
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The element in the converter can brake loose and make a rattle noise.
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post #7 of 7 (permalink) Old 11-13-2014, 07:10 PM
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The stock cats are worth a bit for the metals and would mitigate an aftermarket cat's cost

2004 Blk/Rd M6
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