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16-02-2015, 07:57 PM | #31 | ||
FF.Com.Au Hardcore
Join Date: Apr 2012
Location: Adelaide
Posts: 2,802
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i have the same, twin 2.5 and no balance, no x, no resonator, just two straight through mufflers not glass packs, theres a certain rev range atm where it barks something cronik, not the nicest sounding, but i think thats because its a huge exhaust on stock headers cats and motor.
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Current Car: 2002 AUII LTD 408ci Windsor, T6 S488, TH400, 2 Piece Shaft, Helicial LSD 3.23 IRS Daily: 1998 Mitsubishi Super VR-4 Legnum |
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16-02-2015, 08:15 PM | #32 | ||||
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Posts: 15,524
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Quote:
Quote:
This dude is on the money. 2.25" is the ducks guts for the 5L, and they absolutely need a balance pipe. 2.5" would work well from the headers and in the mid section, but the tailpiece must be 2.25". Making the pipe smaller as the gas travels encourages flow.
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. Oval Everywhere... |
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16-02-2015, 08:23 PM | #33 | |||
FF.Com.Au Hardcore
Join Date: Apr 2012
Location: Adelaide
Posts: 2,802
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Quote:
but alloy head and aftermarket intake, cam, surely begins 2.5 territory
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Current Car: 2002 AUII LTD 408ci Windsor, T6 S488, TH400, 2 Piece Shaft, Helicial LSD 3.23 IRS Daily: 1998 Mitsubishi Super VR-4 Legnum |
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16-02-2015, 08:31 PM | #34 | ||
FG XR50 TURBO
Join Date: Apr 2009
Location: reservoir
Posts: 4,557
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listen very well in what Sox says or he will give you a lecture on about exhaust systems on how they work and what's the best system for different applications
i was waiting for you sox to reply in this thread |
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16-02-2015, 08:42 PM | #35 | ||||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
Quote:
It's painful watching so many people fit an exhaust which is too big, using the mentality that because a race car has it, so should my road car...
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. Oval Everywhere... |
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16-02-2015, 08:53 PM | #36 | ||
Banned
Join Date: Mar 2010
Location: PERTH. WA
Posts: 4,697
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Well you assumed wrong matey,if i quote you then im aiming it at you,if not then its a general statement.
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16-02-2015, 09:14 PM | #37 | ||
Regular Member
Join Date: Jan 2006
Location: Sydney , N.S.W
Posts: 427
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while we are on the subject, what exhaust did the 220kw come with std??
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16-02-2015, 09:21 PM | #38 | ||
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Join Date: Dec 2004
Posts: 15,524
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Dual 2.25" to the center mufflers, then dual 2" tail piece.
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. Oval Everywhere... |
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16-02-2015, 09:27 PM | #39 | ||
Banned
Join Date: Mar 2010
Location: PERTH. WA
Posts: 4,697
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If ford would have used decent straight through mufflers it would have flowed quite good.
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16-02-2015, 09:29 PM | #40 | |||
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Join Date: Dec 2004
Posts: 15,524
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Quote:
It made quite a decent improvement overall.
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. Oval Everywhere... |
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16-02-2015, 09:31 PM | #41 | ||
Regular Member
Join Date: Jan 2006
Location: Sydney , N.S.W
Posts: 427
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thanks sox..
im currently running hurricane headers, 2.5" 100 cel cats, 2.5" merge into a single 3" with xforce muffler and a generic hot dog at the rear, its a 220kw with std bottom end and trickflow 170 heads.. I have been considering going to a duel system, its just the matter of 2.25 or 2.5 and wether or not to run a H pipe or x pipe cross over... |
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16-02-2015, 09:53 PM | #42 | |||
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Join Date: Dec 2004
Posts: 15,524
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Quote:
My 5.6L Windsor has dual 2.5" to the middle and dual 2.25" tail piece. The method of balance pipe isn't really important, so long as it has one.
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. Oval Everywhere... |
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16-02-2015, 09:54 PM | #43 | |||
XR6T BA 2002
Join Date: Apr 2011
Posts: 682
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Quote:
http://www.fordforums.com.au/attachm...7&d=1423959668 What about 2.5 crush bend rear section as you can see its reduced the diameter of the pipe /?? would this be ok?? with an added xpipe
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16-02-2015, 09:58 PM | #44 | |||
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Join Date: Dec 2004
Posts: 15,524
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Quote:
It's all about keeping exhaust velocity high in the most used RPM range.
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. Oval Everywhere... |
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16-02-2015, 10:00 PM | #45 | ||
not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Not an AU but a 5l nonetheless, my EL runs a twin 2.25" with no merge pipe, metal cats, a straight through muffler then 2 resonators at the back. Happy with it.
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16-02-2015, 10:24 PM | #46 | ||
The 'Stihl' Man
Join Date: Jan 2005
Location: TAS
Posts: 27,584
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Problem with 2.25 is that it then becomes custom? What off the shelf system is there in that size?
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16-02-2015, 10:43 PM | #47 | ||
Banned
Join Date: Mar 2010
Location: PERTH. WA
Posts: 4,697
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Thats the only issue with it,can become pricy to get a custom mandrel bent twin system done,i think thats the only reason most go with twin 2.5 off the shelf.
I only just got a new exhaust for my eb,only off the shelf options were 2.5 or 3 inch single or twin 2.5 with no x pipe,i would have loved a twin 2.25,i know its not a 220 xr8 but my motor pretty much has 220 heads,cam,manifold(not t/b)sounds almost identical. |
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17-02-2015, 06:26 AM | #48 | ||
XR6T BA 2002
Join Date: Apr 2011
Posts: 682
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you would be looking at over a 1000$$ to have a custom 2.25 twin with 2 x mufflers and xpipe
2.5 twin with 2 x mufflers easily accessible at a wrecker 2nd hand for 200$$ and probably about 120$$ to 200$$ to install
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17-02-2015, 07:18 AM | #49 | ||
The 'Stihl' Man
Join Date: Jan 2005
Location: TAS
Posts: 27,584
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But without going to pick a part what is the cost of a 2.25 cat back?
I saw Manta had a 2.5 dual for about $950. Ill have to measure mine.
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17-02-2015, 08:06 AM | #50 | ||
Regular Member
Join Date: May 2010
Location: western sydney
Posts: 350
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Polyal I was just quoted $1200 for a 2.25 mandrel exhaust by one of the best in western sydney.
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17-02-2015, 08:13 AM | #51 | ||
FF.Com.Au Hardcore
Join Date: Jan 2005
Location: Wollongong
Posts: 3,111
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i had a couple of AU XR8's,
3in single 2 mufflers, sounded crap duel 2.25 with chambered mufflers no balance pipe, great note but quiet put on 2 hotdogs, loud and flappy put on a balance pipe, loud and less flappy but too loud really put on 2 redback straight throught mufflers, nice note but think these without a balance pipe would be great and last one was a 220kw with 3in single and sounded flat and boring so all in all if i did it again i'd use a duel 2.5, 1in balance pipe, and a single oval resinator each side placed at the back if they fit
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17-02-2015, 11:27 AM | #52 | ||
FF.Com.Au Hardcore
Join Date: Sep 2010
Location: Seaford, Victoria
Posts: 607
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Just buy the Manta twin 2.5' system, you won't be dissapointed.
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17-02-2015, 11:30 AM | #53 | ||
The 'Stihl' Man
Join Date: Jan 2005
Location: TAS
Posts: 27,584
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Does anyone have any clips of the Manta setup?
Mines pretty loud and droney at the moment, no idea what brand it is though. I was after something a bit more refined.
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17-02-2015, 12:04 PM | #54 | ||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Perth NoR
Posts: 5,971
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My understanding is it isn't very quiet, but the only guy I know running it is FTW-302. I think he might have some clips, perhaps drop him a PM?
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17-02-2015, 09:33 PM | #55 | |||
Peter Car
Join Date: Dec 2004
Location: geelong
Posts: 23,145
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Quote:
Picked up 9rwkw with it though so it made excellent gains for nothing but a catback over the previous single 2.5. |
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17-02-2015, 10:55 PM | #56 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
You might find a new system to be a bit less than that too, perhaps as low as $800. And, I wouldn't have thought a good 2.5" dual exhaust system is common from a wrecker.
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18-02-2015, 12:58 AM | #57 | ||
FF.Com.Au Hardcore
Join Date: Sep 2009
Location: Kalgoorlie
Posts: 712
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manta use combinations of mufflers, resonators, hotdogs and straight pipes in the middle section and tail pipes, so many different combinations can be made
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18-02-2015, 06:58 PM | #58 | |||
not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Quote:
FWIW I had a Difillippo system on my last XR8 and it was good, but it was a single 3" also.
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20-02-2015, 06:12 PM | #59 | ||
XR6T BA 2002
Join Date: Apr 2011
Posts: 682
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Ok i stuffed up
I bought the falcon Dual Exhaust and it don't fit my fairlane we cut the pipes ready to extend the front section and weld in an XPIPE but the rear section didn't fit and it was sitting heaps low It was build for a sedan and this would of cost around the $1000 mark anyone else want it?? it practically brand new i left it at the exhaust shop owes me $220 Purchase me
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20-02-2015, 06:26 PM | #60 | ||
Regular Member
Join Date: Jan 2006
Location: Sydney , N.S.W
Posts: 427
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I would if you were in nsw...
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