Recently my cats were stolen, should I worry about my valves?
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Asked by StraightPipedTesla Feb 25, 2020 at 10:01 AM about the 1996 Chevrolet C/K 1500 Silverado Extended Cab 4WD

Question type: General

I have a 1996 Silverado K1500 4x4 with the 5.7L Vortec, I recently had my
cats stolen (cut right before and after both cats) and I'm worried about
burning, dropping, or warping a valve. Should I be worried about this? I have
the pipe that goes across from the driver side to the right side and and the left
pipe is just cut straight.

4 Answers

F_O_R answered 4 years ago

No valve concerns but now it will not run right. It will run lean or rich and the fuel economy will probably drop.

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StraightPipedTesla answered 4 years ago

Thank you very much, I've been wondering this becuase I was always told that you need backpressure and long exhaust.

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F_O_R answered 4 years ago

You need the cats otherwise the O2 sensors are getting wrong readings which confuses the ECU.

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TDolby answered 4 years ago

Did you file a report with the local police? Contact your insurance company to submit a claim?

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