Results 1 to 5 of 5

Cats for a Non-cat exhaust....Re-tuned CPU

This is a discussion on Cats for a Non-cat exhaust....Re-tuned CPU within the External Engine forums, part of the LSx Technical Help Section category; So quick question, I have a custom exhaust system front only O2's no cats and the CPU has been re-programmed ...

  1. #1
    Junior Member
    Join Date
    Dec 2005
    Location
    Northern Va
    Age
    40
    Posts
    10

    Bermuda Blue Metallic
    99 Camaro B4C Z28

    Cats for a Non-cat exhaust....Re-tuned CPU

    So quick question, I have a custom exhaust system front only O2's no cats and the CPU has been re-programmed to run without cats, If I install cats on the car will it melt the cats. The ones I have are HF cats. Or would it just be easier to make False cats as it just for inspection purposes. Thanks

  2. #2
    Senior Member JaycenK's Avatar
    Join Date
    Nov 2008
    Location
    Holiday,FL
    Age
    40
    Posts
    1,378

    Green
    1997 Camaro Z-28

    Really up to you and your pocket book. You can throw them on and have it re-tuned. or if you can get by with out a sniffer and just a visual only costs are the fake cats and install.

  3. #3
    Exalted Cyclops 67CamaroRSSS's Avatar
    Join Date
    Feb 2007
    Location
    San Diego, CA
    Posts
    5,824

    2002 Z28 A4 NBM
    Sadly now demodded :(

    If you don't need cats then why run them? I don't have rear O2's either and prefer it that way as it allows me to run headers and true duals.

  4. #4
    Junior Member
    Join Date
    Dec 2005
    Location
    Northern Va
    Age
    40
    Posts
    10

    Bermuda Blue Metallic
    99 Camaro B4C Z28

    Its for state inspection, and no i dont want to get it retuned now. it doesnt need emission inspection as the county doesnt require it. I mainly want to know what if anything would happen if i put HF cats on it?

  5. #5
    Member
    Join Date
    Aug 2005
    Location
    Tulsa,OK
    Age
    37
    Posts
    914

    Quick Silver
    2002 Z06

    Nothing should happen other than the loss of a few hp...


    Slow Passenger Window - Want Passenger Express Down - Tired of Replacing DayTime Running Light Bulbs

    Camaro Owners Click Here
    Firebird Owners Click Here

    Need instructions to replace your F-Body window motor?
    www.AutoTrix.net

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. gto exhaust 02 delete cats?
    By tenorsax1212 in forum GTO
    Replies: 7
    Last Post: 06-17-2013, 06:15 AM
  2. removing cats on a modded already tuned car?
    By devildogws6 in forum External Engine
    Replies: 20
    Last Post: 02-17-2013, 01:00 PM
  3. Cats VS No Cats for a catback exhaust system
    By Guerrillakilla13 in forum Firebird / WS6
    Replies: 23
    Last Post: 04-25-2011, 11:33 AM
  4. Question: New 3in Exhaust(want to have tuned by frost)
    By smkn gts in forum Computer & Tuning
    Replies: 4
    Last Post: 04-11-2010, 10:05 PM
  5. Exhaust smell with no cats?
    By Goldcuffs in forum External Engine
    Replies: 22
    Last Post: 09-22-2008, 06:50 PM

Bookmarks

Posting Permissions

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