 | Home > Maintenance & Modifications > How do you like your allisport non cat exhaust? |
 
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 713   
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Allisport don't actually make their exhuasts, they are made by Demand Engineering. https://demandengineering.co.uk/ I have the TD5 version on my 110 and the welding is a work of art, if I was in the market for another I'd be going straight back.
I bought mine direct from Dan at Demand, they were a pleasure to deal with and were happy to make changes or bespoke options as required.  2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top 1992 200Tdi 90 Truck cab with Land Cruiser axles |
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24th Feb 2022 9:13am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17374 
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Forgive me for asking, but you do know that on a 2.2 you will also have to delete the DPF, which requires the ECU to be reprogrammed?
I don't know about the regulatory situation in Sweden but suspect that removing the Cat and DPF would be frowned upon if you are found to have done it. |
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24th Feb 2022 10:05am |
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| freddie206 Member Since: 18 Oct 2015 Location: Skipton Posts: 90 
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I also bought an exhaust from Dan at Demand for a 110 Td5 and it makes a sweet sweet sound. Not noticeably louder on idle either just when you plant your foot. Superb company to deal with. I needed one ASAP and Dan made one up the same day and shipped it. Highly recommend.
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24th Feb 2022 11:24am |
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| Leamreject Member Since: 19 Dec 2020 Location: Middle Earth - Leamington Spa Posts: 970  
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Apparently they make the TD5 that already sounds good even better
 Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do… 2011 2.4 Puma 90 HT |
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24th Feb 2022 12:40pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5699 
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Demand Td5 dummy cat on mine.
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24th Feb 2022 12:56pm |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342 
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I really appreciate this. I had no idea about this. Can you explain more? |
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24th Feb 2022 4:26pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17374
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The 2.4 Puma has a catalytic converter but no particulate filter, and it is easy and inconsequential (though now illegal in the EU) to remove the cat. Just fit a plain pipe and you are done.
The 2.2 Puma has a unit combining the cat with a DPF, and the DPF is under software control which also regulates the engine behaviour when DPF regeneration is taking place. If you disconnect the DPF from the ECM or remove the DPF, the ECM will detect the the DPF malfunction and will illuminate warning lights. I don't know what the effect on the running of the vehicle would be in this case (I don't own a 2.2) but it is highly unlikely that the vehicle will continue to function properly. For this reason, removing the cat and DPF (you can't just remove the cat since it is a combined unit) requires that the ECM software is also modified so that the engine operates correctly without the DPF. There are places which can do this, but clearly there is an expense involved. It is also illegal (certainly in the UK, and I think anywhere in Europe) to modify factory-fitted emissions equipment or to operate a diesel which has had the DPF or cat removed or disabled. I don't know what the consequences are in Sweden, but in the UK they are not insignificant. |
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24th Feb 2022 4:46pm |
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| doncarloz Member Since: 29 Oct 2017 Location: Styria Posts: 60 
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In the 2.2 tdci Defender variants both Catalytic converter and diesel particulate filter are combined in one piece. If you decat your Defender, you also loose the DPF. This is beneficial for fuel economy and engine longevity but baaad for the environment and might affect your MOT test results. ___________________________________
1993 D1 200 Tdi 2015 110 DCPU 2.2 Tdci 2017 RRS 3.0 TDV6 |
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24th Feb 2022 4:52pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2166 
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They where.... Not anymore Allisport uses a local company. I have a Demand 3" valved and side exit on my 110. Quality is excellent and Dan is great to deal with. Instagram @defender_ventures Empire Tuning - Agent |
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25th Feb 2022 6:55am |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342
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How difficult (and where does one go) to do the ECU changes? Since it’s a farm truck I don’t do any inspection so not worried about that bit but if it’s a pain in the arss to do maybe not worth while
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25th Feb 2022 9:03pm |
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| doncarloz Member Since: 29 Oct 2017 Location: Styria Posts: 60
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A remap is pretty simple and can be done via mobile phone (OBD2). Speak to Pete Bell @ Bell Auto Services ___________________________________
1993 D1 200 Tdi 2015 110 DCPU 2.2 Tdci 2017 RRS 3.0 TDV6 |
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26th Feb 2022 8:48am |
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| Leamreject Member Since: 19 Dec 2020 Location: Middle Earth - Leamington Spa Posts: 970
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I did mine by mobile phone…
called Town & Country Land Rover and bingo all sorted  Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do… 2011 2.4 Puma 90 HT |
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26th Feb 2022 9:42am |
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