Straight pipe?

1996 GMC SIERRA
200,000 MILES • V8 • AUTOMATIC
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Where would you cut at to straight pipe and if straight pipe what to do with the 02 sensor?
Dec 16, 2022 at 12:16 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Hi,

The oxygen sensors are required for proper engine operation. If you want to straight pipe it, do it after the catalytic converters and oxygen sensors.

Let me know if you have questions.

Take care,

joe
Dec 16, 2022 at 2:19 PM
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