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MICK69

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Jan 9, 2010
Messages
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Location
PERTH
hi just wanting to no which is better 2.5 or 3 inch exhaust and can anyone recommend an exhaust shop in perth any help would be much appreciated
 
Think maddog did a ring around to exhaust shops in Perth a few months back, might be worth a search
 
did this last year in december...

THE GREAT EXHAUST QUOTE DAY, lol

mettams mufflers - 9275 7034
2.5 1200 (dump, cat/muffler included)
3 1400 (dump, cat/muffler included)
dump 300-400
friendly service

genie exhaust - 9330 6900
2.5 1000 (dump, muffler, cat (wont sell without cat), fitted)
3 not recommended, too big
dump
friendly girl, knew her stuff, then talked to a mechanic, fairly informative

exhaust world - 9228 3244
2.5 950 (dump, no cat, no muffler)
3 not recommended (states tests have shown they don't do well at high revs .eg gutless due to no backpressure?
dump ?
very friendly, seems pretty knowledgeable

ian diffen tyre factory - 9344 3419
2.5 900 (dump, muffler)
3 none - not recommended as supposedly the engine doesn't make enough power so fuel consumption would go backwards?
dump -
called supplier over east and then called back a few minutes later, very friendly, hasnt put a kit on this car before to not entirely sure the suppliers kit would fit up

melville muffler and brake - 9330 1511
2.5 950 (cat, sports muffler, mandrel bent, all fitted)
3 not recommended - too big (says he's seen the 2.5 systems work better than the 3 inch systems over the years)
dump 250 (custom made)
very friendly, pretty knowledgeable

custom exhaust specialists - 9446 9613
2.5 (dump, flexi join, removable cat/dyno pipe)
3
dump
friendly service, seemed fairly knowledgeable and offered many options, told to call me back at 4pm when confirmed

willeton exhaust - 9354 5004
2.5 1100 (dump, cat, flex, mandrel bent)
3 not recommended
dump
fairly informative, friendly

classic and custom exhaust and towbars - 9495 4544
2.5 (no kits available from supplier, but possible to build a custom from dump pipe for roughly 550, unable to quote for from turbo back)
3
dump
called up supplier, called me back a few minutes later, fairly friendly

muffler magic exhaust centre - 9331 3254
2.5 1800 (sports system?) (more for a custom system)
3
dump 400
friendly, fairly informative

autotainment by brian wallis - 9470 4233
2.5 350-500 (no cat, dump, 1 resonator, press bend (not mandrel)
3 unsure
dump
exhaust guy wasn't in shop, told to call 15min later, unsure, would need to see the car first to get a PROPER quote

cannington performance exhaust and brakes - 9451 1334
2.5 1450 (no cat, muffler)
3
dump no price, kit only
friendly, informative

sound exhaust and towbars - 9524 6622
2.5 880 (dont sell the 2.5 inch, but will do a 3 inch dump and then bolt a 2.5 pipe to it)
3 1100 (dump, muffler, flexi)
dump 350 (3 inch, no 2.5)
very friendly, quick

the exhaust centre - 9274 8111
2.5 1250 (dump, no cat)
3 not recommended, say its too big
dump 440 (2.5 inch)
friendly, fairly informative, quick

aaa cannington mufflers - 9451 1444
2.5
3
dump
answered phone while selling to a client in shop, made me hold, turns out yellow pages have the wrong ad, they are a wrecker!

andys exhaust werx - 9361 0144
2.5 1100 (dump, no cat, muffler)
3 not recommended, too big
dump 500
no answer? try again in 10min, finally answered

armadale exhaust - 9495 2544
2.5
3
dump
very loud, lol, friendly, called around to suppliers for quotes, has been 30min and no call back?

australian performance centre city - 9228 1400
2.5 mild steel 980 (custom built, dump, no cat, 2 resonators)
3 not recommended, too big
dump 320
chucked me on hold for 7min then it disconnected, not happy. trying again later, finally got an answer, friendly service, fairly informative

midland exhaust centre - 9274 5066
2.5
3
dump
said he would call back in 5-10min, getting quotes from supplier as none in shop, been 20min with no call back?
 
thats a pretty big list must have spent alot of time on phone thanks heaps.
just dont know what to get 2.5 or 3 some people say to big others say good i will be getting it chipped aswell but will get exhaust first
 
i've been told that 3" exhausts were better
and that they are too big for non turbo cars
 
Last edited:
Food for thought:

...First things first, a turbocharged diesel engine does not need so much as pound of back pressure after the turbo to perform perfectly. In fact, the less restriction after the turbo, the better. You have to understand that between the exhaust port on the head and the inlet of the turbocharger there is usually back pressure of at least equal if not more than boost pressure on the engine at all times. Any back pressure the engine needs for proper function is provided before the turbo, period. Pressure on the outlet side of the turbo just leads to higher exhaust gas temps.

From: Diesel Turbo Back Exhaust - Will it Cause Me to Lose Low End Torque and Horsepower?
 
same as mine
05 navara D22 ST-R 3.0L TD

he reakons he forgets he has the work trailer on because it tows alot better
 
I just got quoted $1450 just to supply a 3" taipan to suit a 2.5 d22, that's was from uniteds, don't know if they are cheap or not, but for $1400 fitted it's worth te drive to northam
 
Has anyone used Manta exhaust (sold by Chip it) I called them and they make a 3" exhaust either with or without a cat. I was just wondering what there like and how they sound on a 2.5 D22 Navara. :shotgun:
 
I have a custom made stainless steel exhaust by prestige exhausts in malaga, no cat, no muffler 3" from the turbo back with. The nav now sounds like a truck and whistles hard from 1200 - 2500. very happy with the low down torque and turbo response now.
 
I have a custom made stainless steel exhaust by prestige exhausts in malaga, no cat, no muffler 3" from the turbo back with. The nav now sounds like a truck and whistles hard from 1200 - 2500. very happy with the low down torque and turbo response now.

Thanks, i'll look into Prestige. have you had any problems form the police with not having a Cat? Also if you don't mind me asking what did you pay for the system?
 
$1700, not the cheapest option but the guy running the joint Dom was very good, no bullshit. Coppers haven't said anything and I have been pulled over 3 times since I have had it done. They are more interested in RBT, drug tests and checking for bald tires. The nav is no louder than a medium sized truck at idle. You can only tell the difference when you put the foot down.
 
After a bit more research and a lot of phone calls I have narrowed it down to mettam's mufflers (perth)or beaudesert exhaust (qld) they are both about the same price. Has anyone on here used mettam's mufflers?
I am looking for a 2.75 - 3" with dump and cat but no muffler!
 
Has anyone used Manta exhaust (sold by Chip it) I called them and they make a 3" exhaust either with or without a cat. I was just wondering what there like and how they sound on a 2.5 D22 Navara. :shotgun:

hey mate, I got the Mantra exhaust from chip-it, can't fault it. I would go the option without the muffler, sounds so much better. Just make sure you go over the nuts and bolts when you get home as my dump pipe lost 2 nuts turboside when I was 4wding, chip-it were happy to help put new ones on.

Brett
 
hey mate, I got the Mantra exhaust from chip-it, can't fault it. I would go the option without the muffler, sounds so much better. Just make sure you go over the nuts and bolts when you get home as my dump pipe lost 2 nuts turboside when I was 4wding, chip-it were happy to help put new ones on.

Brett

Thanks mate did you get a cat? They tried to talk me out of getting one so I'm not sure if they are high flow cats or not
 

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