GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 2 of 2

Hybrid View

  1. #1
    Jr. Apprentice
    Join Date
    Jan 2013
    Location
    Olney, Texas
    Posts
    15

    Default Okay, so help me out here.

    I know cutting your exhaust is illegal, but the cops in my town dont care about exhaust... anyways I cut mine off right before my muffler, I still have my Cats, I was just wondering if, by cutting them off, i have lost power, gained power, or hurt anything... thanks!

  2. #2
    Legend

    Join Date
    Sep 2010
    Location
    everett, massachusetts
    Posts
    1,466

    Default

    depends on the vehicles age .

    the back pressure is part of the PCM programing. no/little back pressure things get messed up. MPG/POWER/RUN issues develop.

    the O2 sensors are part of the fuel management.

    older carb engines you should not have any problem.

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •