Home > Puma (Tdci) > My Puma is trying to de-cat itself! |
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custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20292 |
I have my eye on the Alive exhusts too.
Gary got me out of a hole quick with some EGR problems I had last year too. |
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1st Apr 2015 8:45am |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Would you of got any of the benefits of the de-cat pipe by just replacing a broken cat pipe with a new one though? |
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1st Apr 2015 9:35am |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17327 |
I can well imagine that the noise improvement would be the same, but it is hard to see how the performance increase would have resulted from a cat fitment. it is possible (back pressure and all that) but I doubt it. The performance difference is not earth-shattering but is noticeable.
Ultimately we won't find out until I take the decat off to refit a cat pipe when I find one at a sensible price. |
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1st Apr 2015 9:39am |
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fatman Member Since: 14 Jan 2014 Location: Athens-Greece Posts: 126 |
On my mates stock puma, decat and air intake mod definatly made a difference not a placebo one for sure!
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1st Apr 2015 2:16pm |
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K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 |
You have removed the 'stranglehold' the cat had on the breatheability of your engine. Still stand by that statement above! If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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1st Apr 2015 4:25pm |
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ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 |
+1 for cat removal, completley transformed mine 80" 80" 86" 88" 90"
Wanted, Forward Control Anything considered. |
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1st Apr 2015 4:37pm |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Maybe it's just the general age thing but it's only you guys with 2.4s whipping the cats out.
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1st Apr 2015 8:48pm |
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K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 |
TD5s and 2.4s yes cats are easily removed with no complications. 2.2s obviously don't have cats and apart from certain export models of 2.2s that do not have DPFs fitted I've yet to hear of a 2.2 Defender DPF removal in the uk. If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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1st Apr 2015 9:20pm |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
What makes you say that? |
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1st Apr 2015 9:38pm |
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K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 |
From the downpipe rearwards the exhausts are exactly the same be it 2.2 or 2.4. The CAT on a 2.4 is not connected to the ECU and as such can be removed without any further implications or affects to the running. The DPF is a completely different kettle of fish.....a DPF is not the same as a Catalytic Convertor.
From the Alive website as an example...... This ALIVE Exhaust System does not come with a Decat Downpipe Section, as the Puma 2.2 TD4 Model is fitted with a Diesel Particulate Filter, which can not be removed. http://www.alivetuning.com/alive-boutique/...duct_id=83 The difference between a DPF and Catalytic Convertor explained..... http://filter.ezinemark.com/difference-bet...09b3d.html If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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2nd Apr 2015 6:08pm |
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munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 |
All or most dpf vehicles have a cat and dpf , most new ones are in one unit , some older vehicles in two separate units
saying that k9f , i knew what you ment There are some companys programming out the dpf in the ecu program /map , then you knock the centre out of dpf , not heard of any land rovers being done ( YET !! ) |
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2nd Apr 2015 6:17pm |
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K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 |
There's a van that conveniently parks outside several dealerships that are very close together near me with advertising on the side stating that they can offer 'a DPF removal service' I was wondering after last year February's MOT legislation regarding Cats and DPFs how their business was affected? Still appear to be parked there most days.
My point regarding DPF/Cat removal on a 2.2 was twofold. Those that do so on a TD5/2.4 find it an easy uncomplicated process. Not so on a 2.2 that's why nobody has done it as far as I know. There was discussion on the forum about the availability of south African ECUs fitting it and just binning the DPF off a 2.2 as a viable option sometime ago. If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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2nd Apr 2015 7:37pm |
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T1G UP Member Since: 08 Dec 2009 Location: Bath Posts: 3101 |
ignore my PM!
i have a 2.4 with both options of catted and de catted pipe. 2.2 pah! |
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2nd Apr 2015 7:43pm |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
But a 2.2 (UK spec) has both a cat & a dpf. |
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3rd Apr 2015 7:05am |
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