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12-25-2009, 10:22 AM #1
- Join Date
- Dec 2005
- Location
- Northern Va
- Age
- 46
- 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
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12-25-2009, 01:10 PM #2
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.
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12-25-2009, 07:06 PM #3
- Join Date
- Feb 2007
- Location
- San Diego, CA
- Posts
- 5,823
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.
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12-26-2009, 10:57 AM #4
- Join Date
- Dec 2005
- Location
- Northern Va
- Age
- 46
- 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?
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12-26-2009, 01:46 PM #5
- Join Date
- Aug 2005
- Location
- Tulsa,OK
- Age
- 43
- Posts
- 914
Quick Silver- 2002 Z06
Nothing should happen other than the loss of a few hp...
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