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Old 08-16-2017, 03:03 PM   #1
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havok is on a distinguished road
Join Date: Apr 2006
Posts: 42
Default 2007 Vue Greenline MagnaFlow cat?

As everyone here has always been an absolute font of information, I'm hoping someone will have an opinion on using a non-GM catalytic converter for my 2007 Saturn Vue Greenline.

It has been intermittently displaying a code P0420 for the past two years ... the code sets, clears and then resets every few thousand miles. We've done both O2 sensors (made sure they were Denso), made sure there were no exhaust leaks (replaced a cracked exhaust manifold) and generally have come to the conclusion that the converter must be teetering on the edge of the efficiency requirement and should be replaced.

Of course, through my GM dealer, the converter assembly is still like $2000. In looking, it would appear that MagnaFlow has a direct fit OEM quality converter for this vehicle (their part number 51722). I'm just curious if anyone has had any experience with this or if I'm just asking for trouble.

Thanks, as always, for everyone's expertise and opinions.


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