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Need advice on catalytic converters for a conversion.

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Need advice on catalytic converters for a conversion.

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Old

Jan 13, 2014 | 02:16 PM

#1

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Question

Need advice on catalytic converters for a conversion.

I'm putting a LQ9 on a Trailblazer and can't figure out which cats to use.

It's a budget project, PCM will have stock programming just the VATS removed, and it has to pass a yearly smog test. Not as strict as CA.

Would used re-certified cats be a good option?

What would be a good aftermarket cat for this kind of project?

Thanks in advance for any advice

Old

Jan 26, 2014 | 05:15 PM

#2

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People tend to like these, not sure if you want to adapt it to your current exhaust tubing size.

http://www.summitracing.com/parts/mpe-59959/overview/

Old

Jan 26, 2014 | 05:39 PM

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Quote:

Originally Posted by Grimes

People tend to like these, not sure if you want to adapt it to your current exhaust tubing size.

http://www.summitracing.com/parts/mpe-59959/overview/

I second that. If you want a quality high flow cat I'd get that one. If your conversion will still retain all of the emissions components you will pass a sniffer test just fine.

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