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V-10 Muffler - Again

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Old Nov 22, 2003 | 01:03 AM
  #1  
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V-10 Muffler - Again

Have read a lot of muffler opinions on the V10 forum and others. Been a while since I've done so, and now, suddenly, I am in the market. I have a 2000 SD V-10 that has generated the ugliest buzz from within the muffler (49,000 miles and the dealer said I am out of luck - Even with Ford's ESP to 75k).

Had always thought I would do the Flowmaster 40 or 50 - I want to stick with the stock pipes, don't need lots of loud, but do want a little attitude. Truck just sounds like it really needs to breath better. Local muffler shop told me I would hate the sound of the Flowmaster 40 on the V-10 -

Recommendations???
Thoughts????

Will I notice a performance improvement by just doing the muffler??

V-10 - K&N - No other Mods....... yet!
 
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Old Nov 22, 2003 | 02:02 AM
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(49,000 miles and the dealer said I am out of luck - Even with Ford's ESP to 75k)
WHY??



Not that you shouldn't take that hunk of overweight crap off...
 
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Old Nov 22, 2003 | 02:14 AM
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Listen to these audio/video clips of a 40 series. THe files are big so it may take a while to download.

http://www.lovzfms.com/flows.htm
 
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Old Nov 22, 2003 | 02:27 AM
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Originally posted by Monsta
WHY??

Dealer claims that the part is not covered - Said that since it is not an emmisions related component, I'm out of luck. Clearly a defective part. No rust, just a bad baffle or something inside that buzzes like crazy at 900 and 1700 RPM. Have removed the heat shield to no avail.

Not that you shouldn't take that hunk of overweight crap off...
 
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Old Nov 22, 2003 | 07:55 AM
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The FM 40 is pretty tame on the V-10. I think it's the way to go for just doing a muffler swap.. You can't hear it when crusing at highway speeds...
 
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Old Nov 22, 2003 | 02:12 PM
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On another note about the FM40...

I loved the sound of mine. It did give some resonance inside at around 1700rpm though. Never bothersome.
 
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Old Nov 23, 2003 | 01:09 AM
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I love my FM-40, that was my first MOD.......thx Monsta... again!

pwhopkins
My muffler guy tried talking me out of it too...
 
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Old Nov 23, 2003 | 02:49 AM
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My next V10 Excursion will have a FM40 on it, too.
 
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Old Nov 23, 2003 | 12:16 PM
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I heard the sound clip from HeavyAssaults truck. Does sound hot, and the truck looks great by the way, but may be more noise then I am looking for. Anyone have any other ideas for a replacement? Would prefer more of a low rumble then a thrashy sound. Am I gonna find this for a V10?

Thanks guys
 
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Old Nov 23, 2003 | 02:26 PM
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I hate to say it that is not my truck. It is another FTE poster that I asked to use his site when this particular question comes up.

You would be swapping mufflers around to find a low rumble. Due to the V10s design, I think it will always have that high rev sound.
 
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Old Nov 23, 2003 | 07:57 PM
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Anyone have any comments on the other Flowmaster products? The brochure I have says the 50 and 70 series are quieter.

Anyone out there have one of these or heard one??
 
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Old Nov 24, 2003 | 12:33 AM
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Love my FM 40!!!!!! I have dual outs with 4"x18" slash tips...Very nice sound!!!
And yes, the 50 Delta series and the 70 series are quieter.
 
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Old Nov 24, 2003 | 06:04 PM
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I started out with dual FM 50's on my '65 GTO with a 400 in it and you couldn't even stay in the car. So I'm gonna go with dual, big block, FM 70's on my V-10. Same as I'm running on my GTO nice quiet ,and deep rumble until you jump on it, then it roars. 'Course it is 425 horsepower. Any way I don't think you'll be happy with FM 40's, too darn loud and tinny sounding.
 
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Old Nov 24, 2003 | 07:21 PM
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Decided I would go to the source to ask their opinion about the series 50 or 70 for the V10. I called the sales department from the number on the Flowmaster brochure. I told him I was looking for a muffler for the truck, and he stopped me and said "I cannot recommend any flowmaster product for the V10". He said if you want your truck to sound like a 2 stroke Yamaha, then go for it. He said it has to do with the firing sequence and other factors about it being a V10. Same for Dodge. He told me I would have a much better sound with a Dynomax. (Remember, this is a Flowmaster sales rep). I told him about all you guys that are running the FM40 and he couldn't believe it. He claims that most shops that get talked into installing one end up taking them off. Same with 50 and 70. To each his own.

Had to like his honesty.

Gonna check out Dynomax - Anyone have any experience with these???

Thanks
 
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Old Nov 24, 2003 | 08:43 PM
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I got talked out of a Flowmaster 40 when I went for an aftermarket at the shop. They said the same stuff... I purchased a Dynomax and way too quiet. Sounded like factory with dual pipes. So, spent $50 and got what I wanted and had it installed. Reason people have the FM's cut off is b/c they want that V-8 sound... LET it GO!!! Never gonna happen. Trust me, mine doesn't sound like a 2 stroke Yamaha!! Adding different styles of tips or resonators do help!

My advice.....find someone who has what you want installed and check it out for yourself... Everyone's tastes is different!!
I will say, when my truck is under the carport, it rattles the whole house! But, it quiets out as soon as it hits overdrive!
 

Last edited by MarkF250; Nov 24, 2003 at 08:46 PM.
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