3" mandrell exhaust

Submitted: Tuesday, Mar 08, 2011 at 09:25
ThreadID: 84870 Views:9496 Replies:9 FollowUps:4
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Hi,

I,m considering upgradeing my exhaust.

I have a TD 2004 (IFS) Cruiser and would like comments on weather or not the mandrell system is worth it. Also mild or stainless steel?

Thx
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Reply By: Snoopyone - Tuesday, Mar 08, 2011 at 09:57

Tuesday, Mar 08, 2011 at 09:57
Go for it
Makes a noticeable difference and as the guy who fitted mine said when I asked about S/S He said you have too much money.

S/S was $1800+ mild was $1000 fitted


AnswerID: 447640

Reply By: Member - Tony (ACT) - Tuesday, Mar 08, 2011 at 11:30

Tuesday, Mar 08, 2011 at 11:30
Most if not all "Turbo" mild steel exhaust tube on a diesel will last for many years, A muffler will develop leaks before the pipe. So no benefit going stainless.

The 3' mandrell bent exhaust system will allow the turbo to spin up a lot quicker as it get the spent exhaust gasses away and free up the turbo. By and large gets heat away from the turo as well.

A great addon to complement the turbo system.
AnswerID: 447649

Reply By: TerraFirma - Tuesday, Mar 08, 2011 at 11:57

Tuesday, Mar 08, 2011 at 11:57
The stainless steel system will resonate more than the mild steel, I would be using mild steel and then considering High Performance coating. If you intend on keeping the vehicle it's worth doing imo.

High Performance Coatings
AnswerID: 447653

Reply By: Member - Phil G (SA) - Tuesday, Mar 08, 2011 at 12:33

Tuesday, Mar 08, 2011 at 12:33
I have a friend who fitted a 3" Beaudesert exhaust and dump pipe to his 2004 TD Landcruiser (identical to yours). It was a very nice piece of gear, but on its own there was not much difference in performance or economy.

I think if you were to add a chip as well, there may be more benefit.

This contrasts to my 1HD-FTE 79series, where a 3" Beaudesert exhaust made a huge difference - mainly because my cat converter was blocked with soot and the Beaudesert replacement skips the cat converter.
AnswerID: 447659

Reply By: Member - Mark G Gulmarrad - Tuesday, Mar 08, 2011 at 14:27

Tuesday, Mar 08, 2011 at 14:27
Noel C

i fitted a Hurrricane brand exhaust to my 3 ltr diesel and the difference was amazing.
i thoroughly recommend a 3 inch to your vehicle as well.

cheers.
AnswerID: 447664

Reply By: Member - Bruce C (NSW) - Tuesday, Mar 08, 2011 at 19:48

Tuesday, Mar 08, 2011 at 19:48
Hi Noel,

A few weeks back I was talking to Graham H (QLD) and I am sure he said that the 3" system he had put on his TD 100 series Landcruiser was of greater benefit that the chip he had put on.

I may have got that wrong but I am fairly confident that's what he said.

He recommended I do likewise on mine and I am thinking seriously about it.

There is a lot written about 3" exhausts and all good.

Cheers, Bruce.


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AnswerID: 447702

Reply By: Member - Michael and Chris (QL - Tuesday, Mar 08, 2011 at 20:26

Tuesday, Mar 08, 2011 at 20:26
Beaudesert exhaust make there products from aluminised steel as standard. You will have no trouble with it rusting and in my opinion it has been the best money I spent on performance. Make sure that you get the dump pipe done at the same time as it is pointless if you don't.
AnswerID: 447707

Follow Up By: gazza414 - Wednesday, Mar 09, 2011 at 11:40

Wednesday, Mar 09, 2011 at 11:40
I suppose you need to be careful about "just" reading into 3" exhaust systems rather than looking at the entire picture with respect to overall flow resistance.

WRT turbo's , its all about the differential pressure across the turbine P1/P2 and its ability to extract heat
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FollowupID: 720061

Follow Up By: Snoopyone - Wednesday, Mar 09, 2011 at 12:51

Wednesday, Mar 09, 2011 at 12:51
The 3 1/2 " dump pipe comes with a Beaudesert system for the 100ser.


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FollowupID: 720067

Reply By: Robert S - Wednesday, Mar 09, 2011 at 22:15

Wednesday, Mar 09, 2011 at 22:15
I have a 2005 td Auto Landcruiser fitted with a Tipan 3" mandrel bent exhaust as well as a DT chip. I am very happy with the performance and fuel economy. The main difference I notice is when I am towing our Aussie Swag camper trailer. Fuel economy has improved ( approx 2 litres/100kls ) and overtaking is a breeze. I will never get my money back but the ease of driving I think it was money well spent.

Robert
AnswerID: 447810

Reply By: Richard W (NSW) - Thursday, Mar 10, 2011 at 06:44

Thursday, Mar 10, 2011 at 06:44
I fitted one a few years ago.
FWIW here's a comparison of fuel consumption.

2005 TD100
Blue: Standard
Pink: 285X75X16 Muds fitted
Red: 3" steel mandrel bent exhaust fitted.
Green: D'tronic Chip fitted.
Orange: Towing light hard top camper with all the above.

Outliers are sand driving.





AnswerID: 447821

Follow Up By: Richard W (NSW) - Thursday, Mar 10, 2011 at 06:48

Thursday, Mar 10, 2011 at 06:48
BTW exhaust improved mid range performance and chip improved bottom end performance.
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FollowupID: 720132

Follow Up By: Member - Phil G (SA) - Thursday, Mar 10, 2011 at 10:15

Thursday, Mar 10, 2011 at 10:15
Gday Richard,
Nice graphs!
The upward trend with standard exhaust (blue line) is typical of this motor. I believe its due largely to the cat converter blocking up with soot. Thats why some people (like you and me) got a good improvement when you fit the 3" exhaust, while other people (typically newer vehicles) have got little or no improvement. So if you fit the 3" exhaust to a newer vehicle where the cat is not blocked, there is little benefit.
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FollowupID: 720153

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