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Difference between EF stock and XR6 exhaust??? 

 

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 Post subject: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 3:51 pm 
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Hi All,

Is there any difference between a standard EF Falcon exhaust and EF XR6 exhaust??? I need to get rear mufflers for both cars and it seems the XR6 is quater inch bigger diameter pipe???

They both have a 3 muffler assembly but not sure if the pipe itself is bigger???

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 3:57 pm 
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IIRC standard falcon is 2 1/4" press bent whereas XR6 is 2.5" press bent

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 4:00 pm 
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KWIKXR wrote:
IIRC standard falcon is 2 1/4" press bent whereas XR6 is 2.5" press bent



Price the gen one at Ford. they are like 1grand. Apparently the XR6 versions are lined with a substance that aborbs heat.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 4:42 pm 
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Froudey wrote:
Price the gen one at Ford. they are like 1grand. Apparently the XR6 versions are lined with a substance that aborbs heat.


Like most genuine parts from Ford Dealers, they are actually lined with a substance that absorbs money!

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 5:45 pm 
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Ditto...not worth getting one unless it is really cheap and in good nic (doubtful considering age). Especially considering off the shelf catbacks are so cheap.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 5:59 pm 
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in the end it matters not as a simple cheap 2.5" redback will be better and ALOT cheaper, if your worried about noise get a few mufflers thrown in.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 6:39 pm 
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Another difference was the std OE muffler was a triple pass turn out and the XR6 was a straight through turn out. There is no difference in the CATs and an XR6 CAT back exhaust will bolt straight on to the stock CAT.
The EBII XR6 twin muffler set up was very expensive to replace.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 6:57 pm 
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I just want to make sure that im getting the right rear mufflers for both as i just want a standard replacement for both.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Sun Jun 07, 2009 8:52 pm 
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MICKYYYY wrote:
I just want to make sure that im getting the right rear mufflers for both as i just want a standard replacement for both.



Perry exhaust sell a 2.5in Mandrel bent sports exhaust that replicates the factory xr6 system. Although it's around $370 on EBAY free postage.

http://74.125.155.132/search?q=cache:_m8HSmM7BrEJ:www.hmheaders.com.au/index.php%3Fq%3D23.html+perry+exhaust+HM102TP&cd=1&hl=en&ct=clnk&gl=au

You could buy a 2.5in Redback system with two mufflers for about $250 and there not much louder than stock.

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 4:17 am 
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i assume these aftermarket cat back systems when comparing to a standard XR6 system are pretty much mandrel bent and have a less restrictive mufflerw than the factory XR6???

If thats the case and i can find a manderal bent system without mufflers and buy magnaflow mufflers as they flow the best and sound very nice and keep the car quite. I'll only do that if im going to keep the car and want more power and poke

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 9:30 am 
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genie tornado was rated the best comprimise between sound quality and power. It has since been superceeded by the Lukey Ultraflow

So just throw a couple of them in, with a decent resonator?

http://autospeed.com/cms/title_Giant-Mu ... ticle.html
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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 3:39 pm 
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That article is 10yrs old lol

Lukey Ultraflow are also good and have used that on the rear of my previous EF XR8 and made it alot quiter but it did loose about 8rwhp but thats also on a different dyno so who knows for sure.

what i do know for sure is that magnaflow are the best hands down as i know of a car using them and from having the car dyno both with just extractors and having fitted 2 large magnaflow mufflers it only lost 5rwhp

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 3:58 pm 
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MICKYYYY wrote:
what i do know for sure is that magnaflow are the best hands down as i know of a car using them and from having the car dyno both with just extractors and having fitted 2 large magnaflow mufflers it only lost 5rwhp


Big call.

Quote:
The results in HP order:
1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq

Sound Off in Quietest to Loudest (Decibels):
1.Borla XS, 80db at idle, 90db at 2,000 rpm, 110db at WOT.
2.Hooker Maxflow, 80db at idle, 90db at 2,000 rpm, 120db at WOT.
3.Magnaflow, 82db at idle, 91 at 2,000 rpm, 114db at WOT.
4.Flowmaster, 82db at idle, 93 at 2,000 rpm, 115db at WOT.
5.Flowtech Warlock, 83db at idle, 92 at 2,000 rpm, 112db at WOT.
6.Dynomax UltraFlo, 83db at idle, 94 at 2,000 rpm, 113db at WOT.
7.Borla XR1, 83db at idle, 96db at 2,000 rpm, 118db at WOT.
8.Bassani Street, 83db at idle, 96db at 2,000 rpm, 120db at WOT.
9.Edelbrock RPM, 84db at idle, 93db at 2,000 rpm, 118db at WOT.
10.Bassani Real Street, 84db at idle, 96db at 2,000 rpm, MAX. (120+db).
11.Flowtech Afterburner, 86db at idle, 94db at 2,000 rpm, 115db at WOT.
12.Flowtech Terminator, 86db at idle, 94db at 2,000 rpm, 119db at WOT.
13.Hooker Aerochamber, 87db at idle, 94db at 2,000 rpm, 114db at WOT.
14.SpinTech, 87db at idle, 97db at 2,000 rpm, 116db at WOT.
15.MAC, 87db at idle, 98db at 2,000 rpm, 119db at WOT.


But in the end there is sfa difference in terms of power.

 

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EVL098 wrote:
Cramping in the hand from having it on your Wang for an excessive period of time is a definate con.
Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays?

AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone.

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 5:24 pm 
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If you look at the numbers the magnaflow is a good compromise between both power and noise so i was on the money

 

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 Post subject: Re: Difference between EF stock and XR6 exhaust???
Posted: Mon Jun 08, 2009 5:50 pm 
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Hooker Maxflow seems to be the winner there
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