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Oldmac

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      Oldmac replied to the thread Not a Borla fan.
      I appreciate your input - you would think at 76 I would have learned to leave well enough alone - I really liked the Tahoe until I...
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      Oldmac replied to the thread Not a Borla fan.
    • O
      Oldmac replied to the thread Not a Borla fan.
      No - just the downstream two - upstream 2 are in engine bay
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      Oldmac replied to the thread Not a Borla fan.
      Got underneath today - the o2 sensors left and right are in the catalytic converters and not in the pipe - which confuses me even more -...
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      Oldmac replied to the thread Not a Borla fan.
      But could it effect gas mileage- because something sure did
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      Oldmac replied to the thread Not a Borla fan.
      Forgot to add - no warning lights - just watched video on o2 sensor replacement- have to assume Borla provided place for number 4...
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      Oldmac replied to the thread Not a Borla fan.
      Not sure how to check sensor - do I just pull it out and reinstall- do appreciate responses - I am an old guy -76- not in good health-...
      • IMG_3777.jpeg
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      Oldmac posted the thread Not a Borla fan in General Discussion.
      Recently added Borla touring system to new 2024 5.3 Tahoe z71 - big mistake- gas mileage has declined- and noise level way higher than...
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