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OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS |
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12-03-2007, 03:41 PM | #2 | ||
FF.Com.Au Hardcore
Join Date: Apr 2005
Posts: 664
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in my (not so) professional opinion, they should really be done at once. That said, an exhaust will make a decent difference on its own, and the note will be better than having extractors and a stock exhaust.
My car will be getting a 2.5" exhaust before anything else (bar the head gasket) gets replaced, whether I can find extractors or not. cya Ben |
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12-03-2007, 03:44 PM | #3 | ||
Regular Member
Join Date: Jul 2006
Location: Narre Warren
Posts: 113
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As said before, you really need to do both at once to get the most out of them. If you really had to do one without the other, go the exhaust. You won't notice a whole lot of performance, but you'll get a nicer exhaust note. If you go the extractors, they don't really get enough room to breathe without a bigger exhaust.
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12-03-2007, 03:51 PM | #4 | ||
FF.Com.Au Hardcore
Join Date: Apr 2005
Posts: 664
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yeah. Its kinda like asking for a smoothie straw at maccas and half covering the end of it.
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12-03-2007, 04:31 PM | #5 | ||
normality is boring
Join Date: Jun 2006
Location: Up in the hills on the QLD/NSW boarder
Posts: 1,803
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i would do the extractors first, due to the fact that if you get the exhaust first it will have to be chopped and modified to have the extractors fitted. If you do the extractors first the exhaust can be made to suit at a later date. Also in my experience doing either one on its own isnt going to make a huge power difference
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Factory v8 with turbonetics 67mm turbo, haltech ecu, aeromotive and raceworks fuel system, cobra intake and a few custom bits thrown in |
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12-03-2007, 04:42 PM | #6 | ||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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I know that doing them individually won't change much, but I don't have the money to do both atm. Also I'm pretty sure it's the cat that gets modified, not the exhaust. So either way the cat can be modified to suit, longer at one end than the other or visa versa.
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White ED Futura Auto - DEAD >>LINK<< |
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12-03-2007, 04:48 PM | #7 | ||
normality is boring
Join Date: Jun 2006
Location: Up in the hills on the QLD/NSW boarder
Posts: 1,803
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the cat doesnt get modified. the length of the factory manifold and extractors is different, so the cat would be moved but the exhaust pipe will be different. I have and el with a cat back sports exhaust and the extractors are shorter then the factory manifold, so when i get the extractors installed they need to chop the pipe and modify a new one to have enough length to get it to line up and lift the cat closer to the floor for more clearence
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Factory v8 with turbonetics 67mm turbo, haltech ecu, aeromotive and raceworks fuel system, cobra intake and a few custom bits thrown in |
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12-03-2007, 04:56 PM | #8 | ||||
Back to Le Frenchy
Join Date: Feb 2005
Location: Back home.....
Posts: 13,346
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Quote:
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Quote:
07 Renault Sport Megane F1 Team R26 #1397
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12-03-2007, 05:01 PM | #9 | ||
FF.Com.Au Hardcore
Join Date: Apr 2005
Location: Seaford, Vic
Posts: 767
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I'd do the extractors first.
Stock factory cat back exhaust flows very well. However, once you fit the headers, you can do anything you want with the cat back and even fit it urself.
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12-03-2007, 07:29 PM | #10 | ||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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I understand how it is all set up. The cat is shortened and flanges are welded on so the longer pipe on the extractors can go down under the car to the cat and bolt on. I was just asking what you guys think would give me the most hp. Its basically my first mod other than an XH snorkel. I dont care for sound atm, sound can come later. I need grunt! :P Didn't mean for a right and wrong match, just a few opinions
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12-03-2007, 07:33 PM | #11 | ||
Banned
Join Date: Feb 2007
Location: Melbizzle
Posts: 375
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i wreckon start with a 2.5" cat back..... if you have extractors going to a 2" exhaust i wont have a big change...... but atleast with the cat back it sounds good and will add a bit of power..... or why dont you just change the cam if you only want power???
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12-03-2007, 07:39 PM | #12 | ||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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I just found this on eBay. http://cgi.ebay.com.au/Sports-Exhaus...QQcmdZViewItem Anyone know if this stuff looks any good? I'm a bit iffy on things unless I know it's a good brand. (Advance extractors, never heard of 'em, looks like a factory cat, and no idea what the exhaust is other than it's 2½".) It's either this stuff or I go to the shop pay the extra dosh for the 2½" cat back and Pacemaker extractors brand new, that way I know exactly what I'm getting.
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White ED Futura Auto - DEAD >>LINK<< |
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12-03-2007, 07:42 PM | #13 | ||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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[EDGHIA] I'll be getting a regrind, eventually, only thing holding me back is the postage cost and pulling the cam out to send down, along with the bullshit that comes with it.
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12-03-2007, 07:43 PM | #14 | ||
[EBGLT]
Join Date: Sep 2005
Location: Cazza Dee
Posts: 4,829
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Exhaust first personally.
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12-03-2007, 07:48 PM | #15 | ||
EBII XR6
Join Date: Jul 2006
Location: Bendigo. Victoria
Posts: 5,278
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Do cat back exhaust first, then get the extractors later on.
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DEVLXR
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12-03-2007, 08:01 PM | #17 | ||
LOW AND SLOW
Join Date: Sep 2006
Location: Geelong.
Posts: 2,644
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Personally id wait till you have the coin for both exhaust and extractors. You will notice a huge difference as opposed to doing the two seperately. Nice car by the way, not much different to mine.
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12-03-2007, 08:09 PM | #18 | ||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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Sure, its a good idea, but if I get the exhaust now, ill have some extra noise and a little bit more power until I get the cash to put the extractors on. I wont be losing any power or anything, I just don't get the whole package until later. Oh and thanks You're the first person to say that my completely stock car is nice :
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12-03-2007, 08:18 PM | #19 | ||
LOW AND SLOW
Join Date: Sep 2006
Location: Geelong.
Posts: 2,644
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No worries mate. I did say 'personally' but my 1st choice would be to do the exhaust first also, as extractors on a stock exhaust IMO would be like pushing sxxx uphill with a pointed stick.
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12-03-2007, 10:07 PM | #20 | ||
Regular Member
Join Date: Feb 2005
Posts: 368
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I am running pacemaker extractors, 2.5in high flow cat and a mercury 2.25in sports exhaust. The smaller exhaust works a hell alot better than the 2.5in redback one i had on previously.
Gained accleration down low and lost nothing up top. Just remember that when they bolt up the sports exhaust it will be attached to a 2.25in pipe and flange from the back of the cat. cheers...
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EL FAIRMONT Pacemaker 4499's Megaflow 2.5in Cat X-Force 2.5in Sports Exhaust Champion STEEL igntion leads K&N panel filter, EL GT Snorkel, modified airbox 16in Speedy Holotype-R mags on 225 tyres |
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12-03-2007, 10:34 PM | #21 | |||
They were already there..
Join Date: Feb 2007
Location: Brisbane
Posts: 312
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Quote:
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White ED Futura Auto - DEAD >>LINK<< |
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12-03-2007, 11:12 PM | #22 | |||
LOW AND SLOW
Join Date: Sep 2006
Location: Geelong.
Posts: 2,644
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Quote:
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13-03-2007, 05:56 PM | #23 | ||
grey bumperz
Join Date: Feb 2007
Location: central coast
Posts: 236
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exhaust + extracters makes low end a dog
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EB with sik exhaust and subs and XC falconsik is a banned word?(needs new motor) |
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14-03-2007, 11:09 PM | #24 | ||
Aspiring mr efxr
Join Date: Jan 2006
Location: Albury - Wodonga
Posts: 1,185
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my mate has had a 2.5" on his ED for a while and got pacemakers a week ago. it had 93rwkw last month and all going well it will be back on the dyno tommorow with a reset ECU.
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EF Wagon Project: Standard = 99.6rwkw <!> 2.5" SuperCat cat back exhaust, Wade 1636 cam, K&N boxed pod (new dyno required Sony headunit, splits, 6.5"s and 2 x 12" with response precision amp = 135.5 dB Daily = Ae82 '85 corolla Fwd :togo: , 5 speed, 12" sub, 6x9's, green LED's the course i am studying: http://www.wodonga.tafe.edu.au/01_courses/course.jsp?id=AUR30905NANA |
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