Outer Limits 4x4 Board

This is what I found yesterday when I removed the cover over the exhaust manifold :



Now I know why so many Ferozas have got extractors!

So what are the best extractors to get? MRT have got theirs (i'm not a big MRT fan) and so have this place http://www.axtturbo.com.au/HBHeaders.html. Are there any other options?

Also what happens to the coolant pipe that bolts onto the standard manifold- do the extractors have mounting points for this? Do MRT's also come with the exhaust heat wrap as shown on their site (see below)?

G-day David , I got Genie Headers 4 , 2 , 1's , ya might as well go the whole hog and get a 2" exhaust system and a free flow muffler while you there

Murcod,

I know what you mean about MRT they are not easy to deal with . However I just put their extractors and rampod filter on my Feroza (no thermo tape sorry).

The noise is 8) but the fuel gauge seems to drop like a stone! any ideas?

Cheers

dooie

Thanks for the pic Andy. Do the Genies have mounting points for the coolant pipe?- it's hard to tell from the pic. I take it they are not stainless steel going by the look of them?

Dooie, I was hoping for an improvement in fuel economy! Last tank (first since I bought the Feroza) I only got 12l/100km for city driving. Most of that was pretty easy going too...

I found some more info on the Hot Bits headers- they appear to be made from stainless steel. See the link here- http://www.speedworks.com.my/EXHAUST%20EXTRACTORS.htm. I actually Emailed the local company in Melbourne that sells them last week for a price (before I even knew about the cracks), but they haven't bothered replying.

MRT have got the full two inch mandrel system listed for $650- that's probably going to be hard to beat.

I swear by the MRT extractors, they are awesome, great sound and great performance.

NOTE: If you put these on, it's a good idea to reset the computer. Just unplug your car battery for an hour or so, then when you start driving again the computer will regather all the exhaust/fuel mixture information again. This should help with fuel economy.

Murcod the MRT job comes with the heat wrap/flexible section.

Thanks for all the info.

I E-mailed Genie (after finally finding their site) and they want $300 includning freight- quote: "It is a try-y design and high-temp-coated offering corrosion resistance and mandrel bent to reduce tube crushing."

Still no reply from Hot Bits..

The Feroza is still under the three month warranty too. I should take it back to the yard and see what they say- no doubt they will just try to weld it.

Just had a reply from Hot Bits- $200 plus $25 freight. So has anybody got them and are they any good?

Some more info for other people's reference (...or maybe I just like talking to myself?? )

I've had some negative feedback about the MRT extractors- some people in the States have had them develop holes prematurely.

I've been told Lukey make some as well. A site in NZ has them listed for around AUS$270, I'm making enquiries locally for a price- they're made by Tenneco (Walker) locally here in SA. They sound good as they are coated with paint that can withstand 700 degrees C and have a two year warranty.

The interesting part is the warranty is voided if Thermotec type wrap is used on them!

I've found a winner- Lukey LPH-601, $170 supply only.

As soon as the finances allow they'll be getting ordered.

[quote="murcod"](...or maybe I just like talking to myself?? )quote]

Nobody else seems to be replying to your messages.....therefore you ARE talking to yourself

Hope somebody's listening !!

Hope the Lukey works for you 8)

I don't mind talking to myself !

Just thought if I post what I find on here it may help someone else out (seeing as it is such a common problem).

Also, $170 beats the hell out of $300- so I think Lukey deserves some business.

My exhaust will need 2 be replaced sometime soon and I was quoted $890 for a full exhaust.

That included : Luckey performance headers
Flex joint
Hi flow cat
Full 2 1/4 inch sports exhaust

rocknferoza wrote:My exhaust will need 2 be replaced sometime soon and I was quoted $890 for a full exhaust.

That included : Luckey performance headers
Flex joint
Hi flow cat
Full 2 1/4 inch sports exhaust

Hi James,

I take it the Lukeys don't have the flex section built in like the other brands then? Also, do you know if they are mandrel bent?

I tried Emailing Tenneco, who make Lukey, with the above questions but haven't had a response..... and of course nobody has the headers to suit a Feroza in stock, so it's a case of order them and hope for the best

I never asked about that but obviously the flex joint is seperate and i'm not sure about them being mandrel bent.

I was told that if i wanted the whole system that i only needed 2 left them know a day or 2 in advance.

Interesting, as i was told there was a 6-8 week wait for the headers (that was about two weeks ago now).

Things do move slower here in SA though ...................................

murcod wrote:
Things do move slower here in SA though ...................................

Especially in the outside lane
When are they gonna learn how to drive in Adelaide ???

It's a well known fact the left lane is the fastest over here- didn't you know that???...... Oh yeah, it's also OK to turn right from the left hand lane of a dual lane roundabout!!!!!

And indicators are always optional.

PS: No, I wasn't born here, just transferred with my job.

Geez, ya dont drive round roundabouts, ya drive straight thru them, and who bothers to use indicators?????????????????????????????

Just an update on the headers- Lukey aren't mandrel bent, and don't have a flex section built in (like MRT's do) :(

Does anyone know if Genie have a flex section built in? I know they're mandrel bent....

Also, does the factory exhaust system have a flex join in it anywhere??? I assumed there was one at the base of the standard exhaust manifold (?)- I know there isn't one at either end of the cat as I had that out the other week. If there isn't one it might explain why the manifolds crack!

ok for extractors.. should i go for lukey? the price is somethin that i can afford. but will it give me the bang for my buck? an how can i order the kit?

murcod wrote:It's a well known fact the left lane is the fastest over here- didn't you know that???...... Oh yeah, it's also OK to turn right from the left hand lane of a dual lane roundabout!!!!!

And indicators are always optional.

PS: No, I wasn't born here, just transferred with my job.

Indicators were an optional extra on my Feroza. I opted for the permanently activated horn myself...

SimplyPV wrote:ok for extractors.. should i go for lukey? the price is somethin that i can afford. but will it give me the bang for my buck? an how can i order the kit?

Supposedly there have been some problems with the MRT extractors developing holes (or cracks ?) in them. The Lukey aren't mandrel bent, meaning they'll be more restrictive- I was quoted $160 for them a while back.

I have ordered the Hotbits ones- they are mandrel bent and $175. Don't know where you'd get them in the USA though??

did u order urs off the net or through a 4x4 shop? maybe u can order em for me.... lol... i'd be interested in workin somethin out.. i need to get my hands on somethin bad... i've pretty much got my exhaust system down.. i jus need new headers...

http://www.axtturbo.com.au/hbheaders.html - they are located in Melbourne Australia.

http://www.hotbits.org/distributor.html - worldwide distributors.

I run the full MRT exhaust on my rig. Never heard of anyone having problems with them and I certainly haven't had any issues. They have the flexy bit before the cat so it allows for plenty of movement and seems to stop all cracks occuring. The original exhaust I had on there cracked so I know Ferwoaza can do it to an exhaust

Ferwoaza wrote:I run the full MRT exhaust on my rig. Never heard of anyone having problems with them and I certainly haven't had any issues. They have the flexy bit before the cat so it allows for plenty of movement and seems to stop all cracks occuring. The original exhaust I had on there cracked so I know Ferwoaza can do it to an exhaust

Some guys in the USA had problems with the holes- Kevin from WARFS was telling me about it. The flex is an excellent idea and I'll be getting a flex section added to mine when it gets done.

Yeah, some of the US guys have had problems with the MRT Extractors developing holes & cracks - never heard of an Oz problem though. My personal feeling is the more extremes of cold over there may cause a problem -
Anyway - I had the Genies on mine & never had a hassle with the extractors - but definitely get a Flex Joint fitted between whatever Extractors you get & the Cat - the Feroza engine really torques sideways, ripped my original Cat convertor in half Should hear a worked Feroza engine with straight out exhasut through extractors only - just like a rally car got some real good looks in the week or so it took me to get it replaced
Flex Joint, High Flow Cat & MRT back exhaust & never had another hassle.

Later - Mike H.

I bought the Lukey headers and am quite pleased with them. They certainly look mandrel bent to me! I should know something about mandrel bends and compression bends after my first round with the snorkle. I bought the Lukey's mainly for the price but also they have four into one primary tubes. This gives a little more low end torque over the four into two into one design. The longer primary tubes also have better scavenging of the exhaust. I researched header design extensivly as I was going to build my own.

PS Mike:
I got all of the three inch mandrel bends and a section of straight pipe for the snorkle. I had to mail order the bends and got the straight piece locally...someday soon.

I bought the genie 4/2/1 's cos I was under the impression that they were the ducks nuts of header design , something to do with letting the gases having time to escape or something , oh well , I've got them and I'm happy with them

Toyhatsu wrote: I bought the Lukey's mainly for the price but also they have four into one primary tubes. This gives a little more low end torque over the four into two into one design.

Are you sure that's right? I thought it was the other way around 4-2-1 gives better low end torque and 4-1 gives top end power?

I've never actually seen the Lukey's, but from the pics I saw in their catalogue and the advice from the exhaust shop here, I was told they were crush bent. I Emailed Tenneco who make them asking the question, but never got an answer.

I decided to give the Hotbits a go- nobody else seems to have them and they are priced right. Just hanging out for them to arrive now.