New 3 inch exhaust system for V8 ute

Submitted: Saturday, Mar 06, 2010 at 00:50
ThreadID: 76595 Views:2726 Replies:3 FollowUps:3
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Finally saved up and purchase a Manta 3in exhaust system for my ute. Fully mandrel bent meaning no indents on the bends as the pipe is drawn around the corner.

Besides the lovely V8 note there has been a distinct increase in power and better a 20% increase in economy.Well up to 20% depending on how I drive.

Usually in the mornings I drive up the freeway at around 100km/h fully loaded with ladders & planks on the roof rack and towing my trade trailer. With this I was getting around the 19 lt to 20lt per 100km.

Now for the last two days same travel same conditions I am getting 16lt to 17lt per 100km.

This is all recorded from my Scan gauge 2.

My only concern was if it was going to be too noisy - yes increase in noise but no more than wind noise or tyre noise. Unless I give it some stick and then every guy in ear shot blows his load.

When the windows are wound up no discernible difference - all you hear is the normal engine injector noise - a slight ticking.


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Reply By: oldfart1953 - Saturday, Mar 06, 2010 at 10:29

Saturday, Mar 06, 2010 at 10:29
"Sounds" great....would appreciate a quick follow up in say 6 to 8 weeks to see if you are still getting the improved fuel consumption figures
Thanking you in anticipation

CU down the road
Insanity doesnt run in my family.... it gallops!

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AnswerID: 407489

Reply By: Gone Bush (WA) - Saturday, Mar 06, 2010 at 12:04

Saturday, Mar 06, 2010 at 12:04
Well done David,

I had a close look at United Fuel Injection's ad here the other day. Used to deal with them a bit when we lived in Perth. I might have to accidentally drop by and talk about the DP chip and their exhaust for the 200 series.

Never enough power.

I'm glad I ain't too scared to be lazy
- Augustus McCrae (Lonesome Dove)

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AnswerID: 407504

Reply By: Member - Noel K (NT) - Saturday, Mar 06, 2010 at 13:23

Saturday, Mar 06, 2010 at 13:23
Hey Serendipity,
We have had the 3" and chip on now for over a year and yes heaps more grunt, but it had plenty as it was. Fuel, yes a bit better if you don't give it a boot full. I have noticed though lately, it is blowing more black smoke than it should at only 40,000K's
We have also fitted the spaces too the rear wheels, this has improved handling on dirt roads heaps. Before the spacers it was hard work and down right dangerous to keep it from wondering especially in bulldust. Toyota threatens warranty issues, but hey, stick ya warranty, it's safer!

Noel K.
AnswerID: 407511

Follow Up By: Member - joc45 (WA) - Saturday, Mar 06, 2010 at 15:27

Saturday, Mar 06, 2010 at 15:27
Hi Noel,
Yes, a pity about the narrower track at the rear. Thought Toyota could have done a bit better design that cheapskating on a rear end apparently sourced from an older vehicle.
The spacers obviously solve a tracking issue, but not sure how legal they are.
Maybe the next model update will have sorted out this issue.
FollowupID: 677458

Follow Up By: fisho64 - Saturday, Mar 06, 2010 at 16:19

Saturday, Mar 06, 2010 at 16:19
as far as im aware wheel spacers are definitely not legal, as with extended shackles.
FollowupID: 677460

Follow Up By: Member - extfilm (NSW) - Sunday, Mar 07, 2010 at 20:42

Sunday, Mar 07, 2010 at 20:42
In NSW Wheel spacers are illegal
FollowupID: 677625

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