Removing "CAT" Regets?

Modifications to any other vehicles or things which can benefit any of the other vehicles owners.
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bfvandermerwe
High Range 2WD
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Joined: Thu Aug 20, 2015 3:22 pm
Town: pretoria
Vehicle: Hilux
Real Name: Bennie

Thu Aug 27, 2015 1:52 pm

Good day.
Removing the cat on a 3.0 D4D.
Must or a not?
Im driving a 2011 D4D Vigo.
I Have checked and seems there is no sensor attached to the cat.
Would there be a negative influence on performance or health of my trokkie?

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Mr_B
Monster Truck
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Town: Cape Town
Vehicle: Honda Jazz
Real Name: Bretton
Location: Brackenfell

Thu Aug 27, 2015 2:13 pm

It will improve performance alot if the cat is totally or partially blocked. Otherwise it's probably best to leave it in!

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Propellerhead
High Range 2WD
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Joined: Sun Jul 12, 2015 3:40 am
Town: Taguig
Vehicle: 2015 Hilux 4x4
Real Name: Renan

Thu Aug 27, 2015 2:19 pm

This was fairly common in the Ford Mustang community in the US. It allowed the exhaust to flow more freely. The only negative effect I remember reading about is the increase in pollution you release into the environment.

The Mustangs had a O2 sensors downstream from the cats, if I remember right. It would light up the Check Engine light if it sensed the cats were not doing their job. The sensor was not attached to the cat.

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Propellerhead
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Real Name: Renan

Thu Aug 27, 2015 2:44 pm

To answer your question, I had no regrets removing the cats from my Mustang. There were ways around the strict emissions testing we had to go through.

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Haboob
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Fri Aug 28, 2015 9:55 am

Bennie I have had no negatives with CATS removed. Bit more power & little better consumption...
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HABOOB means "Dust Storm"

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Propellerhead
High Range 2WD
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Posts: 13
Joined: Sun Jul 12, 2015 3:40 am
Town: Taguig
Vehicle: 2015 Hilux 4x4
Real Name: Renan

Sun Aug 30, 2015 4:51 am

If I had any regrets at all, it was telling my environmentally conscious friends that I removed the cats. :)

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