LT1-LT4 Modifications 1993-97 Gen II Small Block V8

one cat in I pipe pass emisions?

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Old 04-11-2012, 10:58 AM
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Default one cat in I pipe pass emisions?

Im either going to sqeeze dual cutouts and cats in my pacesetter ory or....

If i put dual cutouts after the headers in an ory and put a cat in the I pipe how will the cat being farther down affect

-air flow through the catback and sound
- will i pass emissions being farther from headers
Old 04-11-2012, 11:03 AM
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Two problems arise. If where you have the car e-checked spots where the converter is they may fail you. The second thing is you run the risk of the cat not getting hot enough to do its job.
Old 04-11-2012, 11:13 AM
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Originally Posted by SS RRR
Two problems arise. If where you have the car e-checked spots where the converter is they may fail you. The second thing is you run the risk of the cat not getting hot enough to do its job.
Was my first thought with it being so far down the exhaust




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