Turbo xhaust? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 6 Old 06-22-2009, 05:46 PM Thread Starter
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Turbo xhaust?

I have an on3 kit, 3" down pipe. I cut my longtube xpipe in half and welded single 3" to that to make my ypipe. I'm running 2, 2 chamber flowmasters right now.

My question is what mufflers are the best for turbo applications. I have heard many theories, but I'm looking for some expierienced answers.

Also, if I was to just run single xhaust off the 3" down pipe, would there be any real bennifit to make a 3.5" adapter, and run the 3.5 after the downpipe?

THX.

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post #2 of 6 Old 06-24-2009, 05:07 PM
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You need straight through mufflers. Not a chambered flowmaster. The 3.5" would help but if you have 3" off the turbo to the mufflers it wouldn't be worth it. If you go from 3" to 3.5" directly out of the turbo it would be better. The reason is it will lower backpressure. Same goes for the mufflers. The less back pressure the better the turbo likes it.
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post #3 of 6 Old 06-25-2009, 01:06 AM
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Definitely a straight through design. Weld in an electric cutout behind the turbo too.

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post #4 of 6 Old 06-25-2009, 07:55 AM
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not to threadjack, but I'm in the same boat, however I want my coupe to be a stealthy "sleeper" so I want it to make hp but be as quiet as a stocker if that's possible.
(h/c/i twin turbo 347 mexican block) very clean car with 17" 03 cobra knockoffs.

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post #5 of 6 Old 06-25-2009, 10:36 AM
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You can make them pretty quiet. Mine sounds like a stocker with a catback, but when the exhaust is opened up it screams.

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post #6 of 6 Old 06-25-2009, 08:09 PM
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i use a 3"x26"x5" dynomax bullet. very quiet until the vented 60mm wastegate opens. and it sounds more like..... like a nascar stocker at 6800. i love it

it flows 2300 cfm

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