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HMARR



Member Since: 04 Jun 2013
Location: New Zealand
Posts: 56
De-cat pipe needed?
Hi all, I'm a new member and just bought a 2010 Stationwagon which I'm stoked about. I'm looking at all the threads here about De-cat pipes and removing the centre muffler etc, which I'm keen to do. Out here in New Zealand it's a bit harder to get these de-cat pipes and the freight is worth more than the parts as I'd have to get it shipped from UK at about one hundred quid for freight alone. I'm wondering, can I just take of the catted pipe from the turbo, punch out the cat material (thinking long concrete cutting drill-bit, chisels ? ) and fit it back on? Will this do the same thing? Cheers... Hamish
Post #240895 4th Jun 2013 1:09am
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298
England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Hamish

glad you're enjoying .. oh and so envious of your location albeit shipping might be expensive.


I'm no good on doing searches but if you have a go I'm sure you'll come across other threads where exactly what you've described has been done. and to the best of my knowledge has worked fine.

good luck.

Thumbs Up
Post #240903 4th Jun 2013 5:43am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Caterham wrote:
I'm no good on doing searches Thumbs Up


Cool I may be able to help!

HMARR wrote:
I'm wondering, can I just take of the catted pipe from the turbo, punch out the cat material (thinking long concrete cutting drill-bit, chisels ? ) and fit it back on? Will this do the same thing? Cheers... Hamish


YES! Thumbs Up

Page 4 with pretty pictures..... Thumbs Up

http://www.defender2.net/forum/topic15424....p;start=45 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!!

Last edited by K9F on 4th Jun 2013 12:46pm. Edited 1 time in total
Post #240933 4th Jun 2013 9:17am
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RobKeay



Member Since: 19 Jul 2009
Location: Stafford
Posts: 1579
United Kingdom 2014 Defender 110 Puma 2.2 USW Corris Grey
I have one I brought from BAS and never fitted.
Post #240944 4th Jun 2013 10:55am
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Embarassed Haven't done mine yet either Embarassed
Too many projects on the go at once, many of them "wife-related" Rolling Eyes 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 #240948 4th Jun 2013 11:57am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2634
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Hamish, you can remove the cat, drill out the contents and re-fit. Save the bucks for more beer Thumbs Up --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #240953 4th Jun 2013 12:17pm
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william8



Member Since: 03 Apr 2013
Location: Motherwell
Posts: 259
Scotland 2008 Defender 90 Puma 2.4 XS CSW Zambezi Silver
Does the noise increase at the back? i want to hear some turbo Twisted Evil

And i presume mpg will increase and it will rev slightly easier? William
Post #240959 4th Jun 2013 12:48pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2634
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
william8 wrote:
Does the noise increase at the back? i want to hear some turbo Twisted Evil
And i presume mpg will increase and it will rev slightly easier?



I can't say that I can hear the turbo more, but then it's been bucketing so hard here it's hard to hear anything else. Confused

I also cannot correlate increase in mileage/drivability since I also did the BAS v2 remap at the same time. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #240960 4th Jun 2013 12:57pm
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HMARR



Member Since: 04 Jun 2013
Location: New Zealand
Posts: 56
Thanks for the feedback guys. Zedefender - those are great pictures from the 2012 thread... but I'm a bit confused as you've said you haven't done yours yet... - have you drilled it out but not fitted it yet?
Post #241043 4th Jun 2013 7:35pm
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HMARR



Member Since: 04 Jun 2013
Location: New Zealand
Posts: 56
Oh another question. When I remove and refit my prop shaft, should I be using a torque wrench to tighten back up? If so, does anyone know how tight? I'm a bit of a novice when it comes to these things - but looking forward to getting messy with my defender... cheers, Hamish
Post #241044 4th Jun 2013 7:41pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8001
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
just do them up tight. prop shaft tool from difflock helps alot too. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #241116 5th Jun 2013 5:30am
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HMARR



Member Since: 04 Jun 2013
Location: New Zealand
Posts: 56
Ok so I drilled out the cat material - lots of mess and dust. Quite an easy job and results are great. I also got the mid-box silencer removed and a new piece of pipe welded in. Second day driving it and has a real noticeable difference. More pull, turbo appears to spool up quicker - as everyone else commented it would. Strange thing is it doesn't sound any different - I would have thought that removal of the mid silencer would have made more of a throaty but it hasn't... wondering if the decat downpipe would make a difference here vs me just punhcing out the material of the existing pipe (with the bulge in it). Someone suggested I take off the battery leads for 24 hours to let the ECU 'reset' to a new exhaust system... ? Anyway, sound aside I'm pleaased with it. Remap next!
Post #242602 10th Jun 2013 8:21pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8001
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
sounds promising then.

wasnt Zaks going to do to de-cat tests? does anyone know if they were done? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #242609 10th Jun 2013 8:35pm
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