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Old 09-15-2005, 06:08 PM
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Can I make my 200ci 68 mustang have dual Exhaust

I want to make my 6 cyl 68 mustang have dual exhaust. I have seen headers for a 6 cyl dual exhaust, but i dont know what else i need to complete the exhaust. Does anyone know what else i need?

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Old 09-15-2005, 06:40 PM
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If you have the headers, split 3 and 3, you need a muffler shop to bend you a set of custom pipes for it. You won't get pre bend pipes from a parts store to fit that.
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Old 09-16-2005, 03:28 AM
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You buy the headers/mufflers, the exhaust shop does the rest.


You wouldn't believe how nice a dual exhaust with an H pipe and dual flowmaster 40's sound on that inline engine, v-8ish tone.


Pacemaker Dual Out Headers
2" dual pipe with an H pipe
2 FLOWMASTER 40 SERIES DELTA FLOW

Right click on the below link, select save target as

http://www.cquesttechnologies.com/ford6/flowmasters.wav


Then go to http://fordsix.com/forum/ do a search for sound clips in the 200/250 section, there is one with a comet using borla mufflers, its pleasing as well.

If your looking for pre-bent systems, I believe one fella uses the summit cat back kits for a v-8 mustang of a simillar year with success, you'd have to modify it slightly, you'll have to dig around the site I posted to find the info though.

Last edited by 357f-150; 09-16-2005 at 03:39 AM.
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Old 09-16-2005, 09:13 AM
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Don't do it! You can't get the V8 sound because there aren't enough sound pulses in the exhaust pipe from a 6 cylinder to make a "true dual system" and nothing sounds worst than the exhaust from a 3 cylinder exhaust pulse.

However, what you can do is run a single 2.5" exhaust into a dual output Aerochamber muffler, 2.5" center inlet/dual 2.5" offset outlet, pn: 520-21508, Jegs, 59.99, 800-345-4545. Then run the pipes as duals from there. I have heard even 4 cylinders sound pretty good this way.

Don't try to have a separate pipe of three cylinders each. It will sound like a sick lawn mower.
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Old 09-16-2005, 11:38 AM
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454C10

I tell you what, before you state something can't be done, head on over to the link I posted, register, then ask them what they think....wanna guess what they will say?
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Old 09-16-2005, 11:59 AM
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check out www.fordsixperformance.com or the Hokey *** message board and type in 6 cyl duals in a search feature.....and don't worry about what people think...6 in a row with duals sounds great..if ya do it right, small pipes & glasspacks sound really good. IMHO
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Old 09-16-2005, 12:15 PM
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357F,
Sorry, but three sound pulses down an exhaust pipe for every two revolutions (4 stroke engine) is only three sound pulses down an exhaust pipe for every two revolutions. Can't change that no matter what you bolt to it.

It will sound choppy because there is too much dead space between pulses. Listen to a 1 cylinder lawn mower and you will get the idea. Duals on six's sound like terrible to me. I have tried to run duals on a six and figured out the hard way that it sounds cheesy. Sorry, I'm not going to change my opinion on that especially after doing it myself and hearing it tried on many other cars.

That is the beauty of a forum, people have different opinions and can state them as they please. I'm just offering my own personal experience which just happens to disagree with you. I wasn't aware that everyone had to agree on this web site. I think you should address your response to the person that started the post and let other people have their own opinion. It is not a personal attack on you just because some has a different opinion. You will find there is a large difference of opinion on this site, so get used to it.
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Old 09-16-2005, 12:23 PM
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454C10

Did you miss the part about adding an H pipe? Nothing I hate worse than a buzzy I-6, in general your right but the setup I described will leave a dumbfounded look on many peoples faces when you tell them its a straight six. Seriously, don't speculate, go listen for yourself.

I only debate something when I feel the other person is sadly mistaken.

Another option, run two OE mufflers, common sense, if one will flow X, unless its modifed, you won't ever reach the potential to flow 2X and it will be quiet at the same time.

Last edited by 357f-150; 09-16-2005 at 12:30 PM.
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Old 09-16-2005, 12:45 PM
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No, I didn't miss the part about the H pipe. Yes, an H-pipe will help balance out the sound pulses a little but mostly will just cancel out the harmonics that occur at certain rpms. H pipe or not, most of the three cylinders will exhaust down one pipe. Sure, a H-pipe would be a requirement, a X-pipe might even do a better job.

Listening to recorded exhaust doesn't give me a complete picture. I need to be there in person behind the car, and then drive the car to really tell how it sound.

But like I said, opinions vary. One man's nightmare is another man's dream.

I hope My68stang will be happy with his dual exhaust on his inline 6, if not, he will know what to do. Put more pulses per rev in those pipes!
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Old 09-16-2005, 01:00 PM
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I don't know if the number of pulses has everything to do with it. By that logic you could hook up 4 of the 6 slugs to one header and run that, and that bank would sound like a v8 because it would have the same number of "pulses" per revolution as a V8.

Either way, we agree. Its not going to sound like a v8. My point is, a strait 8 wouldn't either.

K
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Old 09-16-2005, 01:18 PM
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Well to say it won't sound like a v-8 period, is inaccurate at best.

It won't sound like a v-8 with simillar exhaust but it will sound v-8ish aka deep tone.

Again, everyone can speculate until your fingers are sore, the fact of the matter, you can get a v-8ish tone from a six.

H pipe is a better idea, the X will give you an unpleasant note at higher rpms.

Try a little borla/inline on for size...50% sure this fella is running without a crossover.

save target as
http://dvarnadore.mystarband.net/images/MVC-588V.MPG
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Old 09-16-2005, 01:20 PM
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so the guy wants duals on his 6 in a row, and we have a debate on how bad it will sound ***
Let the man do the duals if he wants.
Imho....duals in a straight 6 sounds cool as hell, 1 1/2 pipes, glasspacks = that great "rapoff sound"
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Old 09-16-2005, 01:23 PM
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I understand fully, 454C10 pointed out that I was wrong in my first post, just felt it right to offer some form of proof...
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Old 09-16-2005, 01:25 PM
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Quote:
Originally Posted by 454C10
I think you should address your response to the person that started the post and let other people have their own opinion.


Uh..dude, you addressed my response, not the original question, so try and follow your own advice next time.
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Old 09-16-2005, 01:36 PM
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I've heard a few straight six's with split headers and straight pipes and yeah they can sound really good. It was a common thing to do years ago. I bet if you added an x-pipe it would take it to a whole new level. Staight pipe with no mufflers is the key.
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