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mac pro dumps?

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Old 02-12-2008, 02:33 AM
  #1  
pk222
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Default mac pro dumps?

Hey guys, I've got an 89 mustang gt with flowmaster mufflers and theres a loud drone at 2000 rpm but other than that it's pritty quiet. I was thinking about getting some mac pro dumps. If you have these or have heard them, how do you like them? I'm looking to get rid of that drone and I like the sound but I'd just like it a little louder.
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Old 02-12-2008, 01:06 PM
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Default RE: mac pro dumps?

no one's heard pro dumps?
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Old 02-12-2008, 01:18 PM
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Default RE: mac pro dumps?

had them, loved them, sold them, bought SLP's

track vid with dumps
http://www.streetfire.net/video/0742...55000954c2.htm

track vid with SLP's
http://s59.photobucket.com/albums/g3...t=HPIM0205.flv
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Old 02-12-2008, 01:36 PM
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Default RE: mac pro dumps?

thanks for responding, whyd you switch to slps?
Do they have that anoying drone like the flowmaster mufflers? and do you think It will be any louder? I dont want it a lot louder just a little bit with a better tone, do you think these will do that? also because their industerialized metal should I paint them so they dont rust?
thanks in advance
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Old 02-12-2008, 01:41 PM
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Default RE: mac pro dumps?

the dumps I had were coated in some black stuff... I just pulled them off my biddies fox and they still look great.

I got rid of them because of the drone.... it was BAD.

I would get headaches driving back and fourth to the track.

Keep in mind that ALL chambered mufflers will have a bad drone
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Old 02-12-2008, 01:44 PM
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Default RE: mac pro dumps?

ya i know theres not really a way to get completly rid of the drone with chambered mufflers but would it be better than the flowmasters? Like a more consistant note than pick up majorly at 2000-2300 then quiet again.
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Old 02-12-2008, 01:48 PM
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Default RE: mac pro dumps?

to be honest... they sound about the same
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Old 02-12-2008, 01:53 PM
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Default RE: mac pro dumps?

would you be able to reccomend something that would sound better, I want a really raspy deep tone which is what I read about the pro dumps. could changing my stock manifolds to mac equal length shortys make it any louder and doubtfully take away some of the drone?
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Old 02-12-2008, 01:56 PM
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Default RE: mac pro dumps?

the drone is in the muffler, you arent going to fix it...

and how about less questions.... go check the exhaust thread
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Old 02-12-2008, 02:08 PM
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Default RE: mac pro dumps?

ok thanks for your help
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