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Defender Fun

Member Since: 03 Feb 2019
Location: South East
Posts: 64

2007 Defender 90 Puma 2.4 XS CSW Java Black

Exhaust upgrades?

Hi
I have a TD5 defender i would like to put a performance exhaust system and to gain that famous 5 cylinder roar. i understand the turbo whistling and true burble comes when you fit a decat and a straight through silencer (i had this on a previous td5) but now with regulations tightening is there a way to get this noise from an exhaust system on the market that still has the cat to keep it road legal?
Kind Regards

18th Feb 2019 5:28pm

OsloBlue

Member Since: 14 Jul 2018
Location: Essex
Posts: 825

I have a straight through but retain the cat, passed its MOT ok.

You could always go for a 3 inch, but I understand this affects wading depths. I'm on IG: https://www.instagram.com/osloblue42/
Current: TD5 '110 "Lucinda" Thread here: https://www.defender2.net/forum/topic62562.html

18th Feb 2019 5:44pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20612

I’d look at an Alive CAT back system myself. If you went 3” you might find the noise a bit annoying in the long term Chillin In The Backwoods🇬🇧🇺🇸
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18th Feb 2019 6:02pm

Defender Fun

Member Since: 03 Feb 2019
Location: South East
Posts: 64

Hi
thank you for your reply, wading or off roading isn't a problem for me as i dont intend to go mega off roading. i currently do have a straight through centre box but it hasnt made a difference.
kind regards

18th Feb 2019 6:03pm

Defender Fun

Member Since: 03 Feb 2019
Location: South East
Posts: 64

custom90steve wrote:
I’d look at an Alive CAT back system myself. If you went 3” you might find the noise a bit annoying in the long term

HI
Thank you for your reply, do the 3 inch systems fit well or is there any modifications needed?

18th Feb 2019 6:04pm

ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2956

Griffin 🤔

18th Feb 2019 6:08pm

Defender Fun

Member Since: 03 Feb 2019
Location: South East
Posts: 64

Hi
do griffin charge roughly the same as Alive for their exhausts?

18th Feb 2019 6:14pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20612

I can’t really comment on the system but was just a suggestion to look at I would be intesteded in. It may in fact be 3”?
Griffin indeed do get good reviews too, and a bit cheaper but I’d still go for Alive but everyone can make up their own mind. Chillin In The Backwoods🇬🇧🇺🇸
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18th Feb 2019 6:45pm

Mdm

Member Since: 11 Sep 2013
Location: Sunny Lancashire
Posts: 1635

the griffin looks ok and sounds good, loud when you work it for sure

the twisted one i think sounds a little better with more turbo spool noise as it loads up.

without any boxes its too loud and boomy at certain speeds and you need some back pressure in the system to make the best of the td5.

18th Feb 2019 7:14pm

LandymanStefan

Member Since: 30 Aug 2017
Location: Surrey
Posts: 881

Allisport also make one with a dummy cat shell and a slimline silencer.

I’ll be tempted to get their cat back system (as mines a 2001 pre cat)

18th Feb 2019 10:35pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5804

2006 Defender 110 Td5 USW Zermatt Silver

Alive one is better than Griffin. I’ve had both, and really you need to loose the cat for the best results. Think both complies do dummy cats, or did anyway.

18th Feb 2019 10:39pm

Djcla

Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

http://www.alivetuning.com/product/defende...s-exhaust/

How does this work for post 02 cars with a cat then , not sure I understand?

19th Feb 2019 6:13pm

JOW240725

Member Since: 04 May 2015
Location: Suffolk
Posts: 7908

2012 Defender 110 Puma 2.2 XS CSW Orkney Grey

You could try speaking to Demand Engineering, which I've recently discovered make exhausts for some previously mentioned companies. James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html
MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641
MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557
Instagram @suffolk_rovers

19th Feb 2019 6:35pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20612

It's CAT back, so the existing CAT stays in situ, the piping and its flange. The rest of the system would be the newsystem from there back.

Chillin In The Backwoods🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪

19th Feb 2019 6:38pm

Djcla

Member Since: 29 Jul 2017
Location: Gloucestershire
Posts: 469

Thanks Steve

19th Feb 2019 7:03pm

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