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ef 5.0 exhaust crackle 

 

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 Post subject: ef 5.0 exhaust crackle
Posted: Sat Feb 25, 2012 6:52 pm 
Oompa Loompa
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Ride: V8 ef futrua

Location: perth
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so guys i have a ef futura v8 now i wanna try and get the slow down crackle happening how do i go about it i have a 2 1/2 cat back with a powerflow muffler any thing else needed
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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Sat Feb 25, 2012 7:41 pm 
Getting Side Ways
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as far as i know, the smaller/ less mufflers the better for making a crackle car

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Sat Feb 25, 2012 10:42 pm 
Getting Side Ways
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Ride: 5.0 AU's and 5.0 Maverick

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Yep you need no restriction.
If anything they tend to crackle more when the exhaust is too big for the motor.
I am running twin 2.5" on my AU 5.0 and it crackles like a maniac.

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Sat Feb 25, 2012 11:38 pm 
Getting Side Ways
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Not really a good thing other than the sound.. the popping/cracking sound is unburnt hydro carbons burning in the hot exhaust pipes. It means you're running rich on decel i.e. exhaust valve opening before spark ignites the fuel.

You can tune the crackle on decel into your car by adjusting spark, but this can be at the expense of your cats.

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Sun Feb 26, 2012 3:43 am 
Oompa Loompa
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Ride: V8 ef futrua

Location: perth
NSW, Australia

it's a auto(for the moment)

i know at the moment it has a basically a straight through muffler and 2 1/2 of free piping

if i got 3'' 100cpsi race cats would that make it louder and give it that crackle i want because even with the 2 1/2 zaust its still quiet (i spose thats the one thing i hate about ford v8's) my old ef ex pursuit car had a 3'' cat back and yeah same again quiet as all f**k
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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Mon Feb 27, 2012 10:05 pm 
Getting Side Ways
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my au fairlane had 3 inch stainless zosrt with single pacie muffler crackled like hell and deep note i loved it my au v8 ute (manual) has junbl stainless muffler and junbl stainless rezzy hardley ever crackles so pretty much a decent ressie will stop it

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Mon Feb 27, 2012 10:13 pm 
Getting Side Ways
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Ride: NCII Fairlane + G220

Power: 143 rwkw

Location: Lake Macquarie
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Twin 2 1/4 with 6 hotdogs......no mufflers :mrgreen: Get a little bit of crackle'n'pop going downhills, but 3 years on the sound still gives me wood :P

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Feb 28, 2012 12:50 am 
Oompa Loompa
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NCIILANE wrote:
Twin 2 1/4 with 6 hotdogs......no mufflers :mrgreen: Get a little bit of crackle'n'pop going downhills, but 3 years on the sound still gives me wood :P





have to post a vid mate would love to here it
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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Feb 28, 2012 11:42 pm 
Getting Side Ways
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Page 4 of the build thread mate :wink:

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Mar 06, 2012 12:03 am 
Getting Side Ways
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Hooker Aerochamber mufflers give a great burble/crackle on overrun, I have Magnaflow resonators to tone it down because I'm old...

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Mar 06, 2012 3:04 pm 
Getting Side Ways
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Twin 2.5" pipes with a single 6" round Magnapack in each side, crackles nicely. And coupled with the Tru-X it gives a very mean rasp on accel.

This vid here sounds very similar to mine, but mine is a fair bit louder due to H/C/I and no cats.
http://www.youtube.com/watch?v=K9jQ1qregk4

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Mar 06, 2012 3:35 pm 
Oompa Loompa
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Ride: V8 ef futrua

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XFWAGON wrote:
Twin 2.5" pipes with a single 6" round Magnapack in each side, crackles nicely. And coupled with the Tru-X it gives a very mean rasp on accel.

This vid here sounds very similar to mine, but mine is a fair bit louder due to H/C/I and no cats.
http://www.youtube.com/watch?v=K9jQ1qregk4



thats like what i want mine to sound like
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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Tue Mar 06, 2012 3:43 pm 
Getting Side Ways
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falcon87 wrote:
XFWAGON wrote:
Twin 2.5" pipes with a single 6" round Magnapack in each side, crackles nicely. And coupled with the Tru-X it gives a very mean rasp on accel.

This vid here sounds very similar to mine, but mine is a fair bit louder due to H/C/I and no cats.
http://www.youtube.com/watch?v=K9jQ1qregk4



thats like what i want mine to sound like


Two of these bad boys: http://www.summitracing.com/parts/MPE-12616/

One of these: http://www.summitracing.com/parts/MPE-10781/

I had a custom system done by my local workshop. Pictures in my build thread near the end.

Although unless you are planning for the future, maybe go twin 2.25".

 

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 Post subject: Re: ef 5.0 exhaust crackle
Posted: Thu Mar 08, 2012 10:10 pm 
Oompa Loompa
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Ride: AUIII XR8 ute

Location: melbourne
VIC, Australia

will 2 of the magnaflows make much difference replacing some cheap no name ones of the same dimentions? mine sounds good but could always be better :)
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