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post #1 of (permalink) Old 12-25-2016, 08:37 PM Thread Starter
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Clogged catalytic converter?

Today I removed my downpipe because I´m experiencing a lack of acceleration, overboost problems and strange behavior in my car (see here), it has a Thermal R&D 3 inch exhaust with cat and 3 inch o2 housing.

I just noticed the stainless steel around the catalytic converter turned to color blue and reddish. To me it looks like this area is overheating but I want your opinions.

Shoud I gut this downpipe? I still need to pass the visual inspection.


Dodge SRT-4 2004 Stage 3R Electric Blue
BMW 330i 2002

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