hey guys i have a 3.5 tj auto.

im in the process of putting togeth my full exhaust system.

im lookin at extractors atm.
i have 2 options.
1)pacemaker
2)Rpw "special"ones

some say the rpw ones are better.is this true or just hear say?if they are bettter how much by in power terms?or is it not worth getting them and just sticking with pacemaker?

im in brisbane

Personally if i had the money i would go the RPW ones as they are a tuned length and are a bigger size as well so thay are capable of flowing more air.

Also unlike the pacemakers that sit lower on a 3L the RPW ones dont as they are made especially for them.

Tom

hell yeh they sit low dude, im really having trouble with curbs now hahaha, even thinking of going to lows on the front instead of superlows

and im pretty happy wid my extractors, once they settle in ya can feel the diference but i cant speek for pacemakers though coz ive got the rpw ones.

i wanted to go to the drags to see how much quicker its made my car but i crashed so i dont get the car back for another week, then we will see :badgrin:

hey guys i have a 3.5 tj auto.

im in the process of putting togeth my full exhaust system.

im lookin at extractors atm.
i have 2 options.
1)pacemaker
2)Rpw "special"ones

some say the rpw ones are better.is this true or just hear say?if they are bettter how much by in power terms?or is it not worth getting them and just sticking with pacemaker?

im in brisbane If you got money to burn - Buy the RPW ones. (around $600 + $200 for install, might even be more but i guess it depends on what Dave quotes you as hes good at inflating prices depending on the person)
If you are on a budget - Buy the Pacemakers. ($384 + 120 to install)

As for difference, i doubt youd beable to really tell the difference between the 2 of em..

You dont need extractors the car comes with Headers already they are alot tougher than extractors, the whole exhaust system on a Magna is of high quality the only thing on stock engine i would recommend replacing is the rear muffler with a less restrictive one, Costs around $95 fitted for a Australian made generic muffler, and i tell ya the one i got sounds sweet, And the car runs better for it. You probably wont benefit much from extractors and they wont last as long as headers - Unless they are headers? because you can get some nice after market ones...


That's my say for the day :)

You dont need extractors the car comes with Headers already they are alot tougher than extractors, the whole exhaust system on a Magna is of high quality the only thing on stock engine i would recommend replacing is the rear muffler with a less restrictive one, Costs around $95 fitted for a Australian made generic muffler, and i tell ya the one i got sounds sweet, And the car runs better for it. You probably wont benefit much from extractors and they wont last as long as headers - Unless they are headers? because you can get some nice after market ones...
Plenty of people here will disagree with that and have dyno charts to prove it. The headers that come with the Magna, (except the Ralliart), flow well, yes, but don't perform as extractors. There's gains to be made with well designed tuned length headers. Several of us have RPW's and most others have Pacemakers. Both deliver good gains but deliver them differenty. A couple have Wildcat or Hurricane however one of those gave a member a whole in mid range torque.

Yeah, well I would disagree, they make a very big difference. Had them on my last car, the torque was improved from the longer primaries and there is less restriction to revving. At least the same amount of difference as the rear muffler again.

Apart from the Ralliart, The Standard Headers on the 3litre and the 3.5 is like a Clogged sink, the water goes down, only slowly.. With extractors the Exhaust can be sucked out of the combustion chamber meaning you get a fresh clean Burning Mixture instead of one that has left over exhaust in it..

Cleaner Burning leads to more power by allowing more fuel and air to enter in the combustion chamber.. The Last 2 cars I have had have all had extractors and now my Magna is getting lined up for some, just not sure who to go with , either Wildcat or Hurricane..

Not much point me spending Heaps on evtractors as my car is never going to see the strip, it will be too heavy with Car audio and Bling to break a 20 second Quarter !!! :bowrofl:

If you got money to burn - Buy the RPW ones. (around $600 + $200 for install)

For what it's worth, RRP on the RPW items is $660. Budget from 3 to 4 hours to install, depending on the exhaust shop.

The larger diameter pipes in the RPW ones will probably only make a difference over pacemakers if you do some serious mods down the track.

You dont need extractors the car comes with Headers already they are alot tougher than extractors, the whole exhaust system on a Magna is of high quality the only thing on stock engine i would recommend replacing is the rear muffler with a less restrictive one, Costs around $95 fitted for a Australian made generic muffler, and i tell ya the one i got sounds sweet, And the car runs better for it. You probably wont benefit much from extractors and they wont last as long as headers - Unless they are headers? because you can get some nice after market ones...


That's my say for the day :)

not trying to be rude, but have you ever looked at the standard headers!!!!!!!!!!!!!!!
have to be the worst design headers i have ever seen. yes they may be tough but thats about where there good build quality stops. Extractors are well worth investing in and you will definatly notice the differance

Personally if i had the money i would go the RPW ones as they are a tuned length and are a bigger size as well so thay are capable of flowing more air.

Also unlike the pacemakers that sit lower on a 3L the RPW ones dont as they are made especially for them.

Tom

I'm no expert on the subject of what makes headers/extractors "Tuned Length" but it seems to me it's a bit of a marketing Buzz word. From all accounts - RPW have been misleading about their products in the past, but for arguments sake, lets say everything posted on a manufacturers (or resellers) website is the truth.

Case in point:


November 2002

Mitsubishi Magna TE TF TH TJ
3.0 & 3.5 Litre V6
"TUNED Design"


So unless you know of an independant exhaust specialist who has tested both RPW's and Pacemakers magna headers...... I don't know that it's fair to say that ones "Tuned lenght" and the others not.

From all accounts - RPW have been misleading about their products in the past,
Oh, talking about misleading...


Also unlike the pacemakers that sit lower on a 3L the RPW ones dont as they are made especially for them.
That statement is wrong. They are especially made for the 3.5 therefore they sit lower by design.

The larger diameter pipes in the RPW ones will probably only make a difference over pacemakers if you do some serious mods down the track.

Agreed - If the diameter of the primaries is larger than the "exhaust port" on the head - theoretically it could cause the exhaust gasses to slow down as they enter the primaries. Granted I don't understand enough about the physics of how a rapidly cooling gas behaves to say this for certain.

Nothing for a car is an investment, make sure you get that straight before you go out and spend alot of money on a car, Now they might peform better than the standard headers but they wont last as long, I will replace mine when they fall off the car, And price does not mean quality i had rear muffler put on my car, just a made in Australia brand no flashy polished stainless steel. And that has lasted almost 4 years, Even the guy who fitted it was amazed that it lasted that long on a magna.

Now RPW good bunch of peoples but they are sales people and they are there to make money nothing else, Tuned length extractors is just some heavy words to make it sound better than they are, All extractors are tuned length for a standard car if they was tuned length then they would make them to fit your engine and your engine alone as every car is different.

Extractors are named that for a reason, hey extract the exhaust from the engine to make it run better but are usualy made of steel pipe where as headers are usualy cast and last longer because they have thicker walls.

It all depends what you are after performance or longevity i personaly would like both but that cant be right you have to sacrafice one for another.

And Brick its cool that is what forums are all about to discuss you views and opinions and hope to gain knowledge.

I guess that it all comes down to the person who owns the car and what they are willing to spend, I can get Performance Headers (yep they make them) fitted to my TH magna for under $400 (including price of headers) and who ever said it take 4 hours to fit they are mad, You unbolt from underneath the car slip them out put up the new set and bolt back on, now on a V6 it could take a bit longer as the back set are a pain n the arse.

Anyways i will be getting a set one day but untill then i will be sticking with the stock parts and going with the BLING! looks cooler and well.... It is alot more fun :)

Sorry if i blabbered on a bit to much.

suggest http://www.headersbyed.com/ for some information on headers/extractors.

It does not take that long to fit extractors - I think it was 1 hour to fit my RPW 'race design' extractors - they have longer primaries than the street design - for the advantages, pls see the 'Headers by Ed' website for the theoretical discussion on tuned-length extractors.

OEM magna headers - OMG - they have the exhaust pulses aimed at each other :gtfo: , not all going in the same direction :) .

It does not take that long to fit extractors - I think it was 1 hour to fit my RPW 'race design' extractors - they have longer primaries than the street design - for the advantages, pls see the 'Headers by Ed' website for the theoretical discussion on tuned-length extractors.

You had 'street' headers on before the race ones, didn't you? According to a post David made ages back it's easier to swap from one set to another than it is to pull off the factory manifold and fit extractors. Dunno why :confused:

Anyway, when I was hunting around for quotes to get mine fitted I actually rang RPW and asked what they'd charge to get a ball-park. For what it's worth, they reckoned 3 hours.

I had quotes ranging anywhere from 1 hour to 8 hours :bowrofl: I settled for something in the middle because they sounded like they had a clue.

You had 'street' headers on before the race ones, didn't you? According to a post David made ages back it's easier to swap from one set to another than it is to pull off the factory manifold and fit extractors. Dunno why :confused:

Anyway, when I was hunting around for quotes to get mine fitted I actually rang RPW and asked what they'd charge to get a ball-park. For what it's worth, they reckoned 3 hours.

I had quotes ranging anywhere from 1 hour to 8 hours :bowrofl: I settled for something in the middle because they sounded like they had a clue.

i just got pacys installed to my tj advance and you wont be dissapointed if you go pacys and for time sake to install they took about 1-1/2 to fit not 8 hours :bowrofl:

Frost, errrr.

Fitting on a V6 could take anywhere between 1-3 hours depending on the persons ability and any probles they run into. For instance on my TE RPW extractors pushed the whole exhaust system back and inch or two which made the rear muffler bang against the towbar. Also have you ever done any work on a magna yourself, there really is not a lot of room there. On the front bank you have the starter motor to get around and on the rear bank you have bugger all room. As for RPW having different extractors for a 3.0 thats ****, mine hung really quite low. These have now been fitted to a friends 3.5 and they sit fine now.
As for tuned length it may be a catch word but equal length may be more important so the the pulses arrive at the proper time at the collector and dont interfere with each other. This is definitely not a consideration in the stock headers - they are **** even though being cast pieces of **** they may last forever. Stainless extractors as long as welds are done correctly and especially if they are coated should last as long as the car.

The one thing I agree upon is that no modifications should be seen as a financial investment, you will never get much back for them. However as most of us are on this forum to enjoy our cars then thats a different story. :cry:

ok here is what i have been told by my mechanic who is very good at his sh!t.

he agrees that headers will give you some performance,but he says it wont be a real lot.he is going to put hi-flo cat and full exhaust etc on the car and do before/after dyno tune.he believes thats wear 90% of power will be made on exhaust?

he claims the magna extractors are fairly good and has at times on certain cars recorded a loss of performance after fitting extractors(not always magna's).

he may be wrong but i believe him...why would he try to talk me out of extractors?all it is doign is not letting him have more money???

ok here is what i have been told by my mechanic who is very good at his sh!t.

he agrees that headers will give you some performance,but he says it wont be a real lot.he is going to put hi-flo cat and full exhaust etc on the car and do before/after dyno tune.he believes thats wear 90% of power will be made on exhaust?

he claims the magna extractors are fairly good and has at times on certain cars recorded a loss of performance after fitting extractors(not always magna's).

he may be wrong but i believe him...why would he try to talk me out of extractors?all it is doign is not letting him have more money???
Replacing the cat wont make a licking difference unless you are talking about some serious HP...

The magna cat is good for around 200hp atw..

whats the story with ralliart extractors then ?

why are these so good ? are they better then RPW and Pacemakers ?

whats the story with ralliart extractors then ?

why are these so good ? are they better then RPW and Pacemakers ?

They're short headers/extractors.

They're not "so good", just better than the stock abortions

No and No.

RPW Race series are the best **currently available** items due to longer primaries, mandrel bends, better attempt at port matching. Both have similar tolerances with equal length. There are lots of other recent threads about headers and new Header Designs coming soon.