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BruceT



Member Since: 01 Nov 2010
Location: South Africa
Posts: 518
South Africa 
ZeDefender wrote:
Pete Bell advised me against de-cat due to possible back-pressure problems with the standard turbo.
I don't know much about these things - just reporting what a professional said Sheep


Andrew from Allisport also told me this but have not heard it from anyone that has had the decat done to their vehicle.

Mine is more a heat issue than performance so basically I want to get rid of the hot "ball" of metal..... Smile "Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA
Post #202941 18th Jan 2013 1:18pm
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tatra805



Member Since: 16 Aug 2011
Location: Dolany
Posts: 436
Slovakia 2008 Defender 110 Puma 2.4 CSW Bonatti Grey
Zedefender, yep i know some advise against it.

But i do know of several not having the issue i have and as said i can see the vanes not being controlled on the scangage when it happens and i do have very dodgy connector and wiring at that place.
FYI normally it steps down to keep around 1.4kg (kg it is i guess) and trigger fault code from 1.5

So i'm 99% sure its plug/wiring related.
fingers crossed
Post #202947 18th Jan 2013 1:31pm
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Regard



Member Since: 08 Dec 2011
Location: RSA
Posts: 251
South Africa 2011 Defender 110 Puma 2.4 X-Tech LE Orkney Grey
BruceT wrote:
ZeDefender wrote:
Pete Bell advised me against de-cat due to possible back-pressure problems with the standard turbo.
I don't know much about these things - just reporting what a professional said Sheep


Andrew from Allisport also told me this but have not heard it from anyone that has had the decat done to their vehicle.

Mine is more a heat issue than performance so basically I want to get rid of the hot "ball" of metal..... Smile


That is the funny thing......it is the same okes advising against it that sells the decat pipes?

Like you said...I have never heard of any one who actually had issues after a decat.
Post #202981 18th Jan 2013 3:14pm
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BruceT



Member Since: 01 Nov 2010
Location: South Africa
Posts: 518
South Africa 
Was going through my emails now and the term that he used is surging of the turbo.

Don't know what that means. "Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA
Post #202983 18th Jan 2013 3:21pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
I'm also very interested as K9F kindly sold me his old down pipe from which I have duly hollowed out the cat.
My 110 still has 18 months of warranty left and my dealer (who is very helpful) pretended I never mentioned a de-cat Whistle and warned against changing the intercooler on warranty grounds. It's a case of heart vs. head... Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #203009 18th Jan 2013 4:23pm
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MD5



Member Since: 02 May 2011
Location: Italy
Posts: 143
2009 Defender 110 Puma 2.4 SW Alpine White
I recently installed the Terrafirma decat pipe + central muffler removal pipe.
I was happy about the improvement but the noise was a little too loud for my taste. Also the odor of the exhaust gas was really noticeable. To avoid possible problem with police I choose to remove the decat pipe and rework the stock cat pipe by swapping the original ceramic cat with a high flow (close to 200 cell) sport cat.

I'm very happy because the noise and gas odor are fairly close to the standard cat.

This is the stock ceramic cat:

Click image to enlarge

And this is the high flow cat

Click image to enlarge
Post #203489 20th Jan 2013 7:46am
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Thumbs Up
Obvious question... where did you get it from? Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #203491 20th Jan 2013 8:17am
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MD5



Member Since: 02 May 2011
Location: Italy
Posts: 143
2009 Defender 110 Puma 2.4 SW Alpine White
The stock cat exhaust was reworked here:
http://www.bartolimarmitte.com/

They basically cut the cat barrel, pull out the ceramic cat, install the new high flow one and weld the barrel in a very professional way, they look very nice. The new cat are designed to be more resistant and with the same life span of the stock unit.
Post #203494 20th Jan 2013 8:33am
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Alive Tuning



Member Since: 01 Mar 2010
Location: Louth
Posts: 610
United Kingdom 
ZeDefender wrote:
Pete Bell advised me against de-cat due to possible back-pressure problems with the standard turbo.
I don't know much about these things - just reporting what a professional said Sheep


I don't believe any of my customers have experienced surging as a result of fitting a decat. The surging will be down to the tuning anyway, not because of a less restricted gas flow through the exhaust.
Post #203528 20th Jan 2013 11:02am
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Interesting - have you or any of your customers noticed a change in exhaust smell after decat? Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #203556 20th Jan 2013 1:40pm
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Alive Tuning



Member Since: 01 Mar 2010
Location: Louth
Posts: 610
United Kingdom 
ZeDefender wrote:
Interesting - have you or any of your customers noticed a change in exhaust smell after decat?


Most definitely, the smell of the exhaust gas without a cat is pretty damn pungent, so the cat does make that more palletable! Mr. Green
Post #203563 20th Jan 2013 1:54pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Many thanks Bow down Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #203572 20th Jan 2013 2:14pm
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BruceT



Member Since: 01 Nov 2010
Location: South Africa
Posts: 518
South Africa 
Gary what does surging actually mean? Ie what happens.

Thx "Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA
Post #203574 20th Jan 2013 2:21pm
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Alive Tuning



Member Since: 01 Mar 2010
Location: Louth
Posts: 610
United Kingdom 
Where the power delivery feels as though it is fluctuating as the car pulls through the rpm's. It should feel fairly linear and consistent, with smooth delivery throughout.
Post #203575 20th Jan 2013 2:23pm
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BruceT



Member Since: 01 Nov 2010
Location: South Africa
Posts: 518
South Africa 
Ah ok thank you. "Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA
Post #203576 20th Jan 2013 2:25pm
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