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Old 02-01-2011, 11:22 AM   #1
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Flowmaster failure

Yesterday I had the exhaust done on my 03 sixxer. Y-pipe was cut with divorced pipes running all the way back with flowmaster 40's. While I love the way it looks, it sounds horrible. I may have to have an h-pipe installed and I guess the cats will have to go. It sounds exactly like my 94 stang with the muffler pulled off....like crap.
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Old 02-01-2011, 03:14 PM   #2
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Re: Flowmaster failure

when i bought my 06 it had flowmasters and duals with no h or x cross over pipe , it sounded like as popcorn machine / i replaced it all with in a week .... couldn't stand it ........
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Old 02-01-2011, 04:23 PM   #3
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Re: Flowmaster failure

Yeah I don't like the sound of true duels on a v6, for one you only have 3 cylinders making sound through each pipe, I think the cat-back duels "single into duels" that flowmaster makes for the v6 stang sounds pretty good, and even better without the cats.
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Old 02-02-2011, 07:26 AM   #4
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Well I learned the hard way. I cost me 400 all said and done, and I am not a happy camper. I hope it can be saved with a mid pipe. I saw a video with cherry bomb extremes that sounded great, so I may also swap out the flows for those.
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Old 02-02-2011, 08:12 AM   #5
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Re: Flowmaster failure

the H wont do anything at all so no need to go there, you can try a different muffler. Define horrible?
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Old 02-02-2011, 08:23 AM   #6
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Re: Flowmaster failure

Try a non chambered muffler.

MagnaFlow Exhaust Products - For Trucks, Suv's, American Muscle, Diesel, & Sport Compact Vehicles
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Old 02-02-2011, 09:28 AM   #7
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Disconnect your exhaust at the y pipe and listen to it, that's what it sounds like, I'll post a video soon
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Old 02-02-2011, 09:37 AM   #8
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This is the video I just took

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Old 02-02-2011, 09:52 AM   #9
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Quote:
Originally Posted by Brent
Try a non chambered muffler.
I'm looking into a set of thrush mufflers or more likely cherry bomb extremes
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Old 02-02-2011, 10:03 AM   #10
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Re: Flowmaster failure

Yeah that doesn't sound right at all, Are you sure they put the mufflers on right they could be backwards, mine has straight pipe on it right now and sounds better but its only single exhaust.
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Old 02-02-2011, 10:23 AM   #11
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Re: Flowmaster failure

Quote:
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I'm looking into a set of thrush mufflers or more likely cherry bomb extremes
Have you heard Cherry Bombs on a V6 Mustang......?
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Old 02-02-2011, 10:24 AM   #12
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Re: Flowmaster failure

They did the install wrong or something.... I had Flowmaster 40's on my 96 V6 Mustang and it didn't sound like that....
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Old 02-02-2011, 10:27 AM   #13
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Yes, there is a video on YouTube with a guy running the cherry extremes, single chamber, and it sounds damn good.

A single flow on the sixer is going to sound better and be louder, but I like the way the duals look. I have all the cats in still so I may have them taken out and see what that does.
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Old 02-02-2011, 10:59 AM   #14
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Re: Flowmaster failure

i have an x-pipe into no mufflers and it sounds great i think. got all 4 cats still but theres not emissions here in south-eastern ohio ^^
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Old 02-02-2011, 11:55 AM   #15
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Re: Flowmaster failure

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OMG MAKE IT STOP !!!!!! lol
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Old 02-02-2011, 07:23 PM   #16
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Right?! I don't like how it sounds. I've got some work to do to get it sounding better....I had high hopes for the flowmasters......
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Old 02-02-2011, 07:47 PM   #17
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Re: Flowmaster failure

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Right?! I don't like how it sounds. I've got some work to do to get it sounding better....I had high hopes for the flowmasters......
I believe they're installed wrong because they should have a flowmaster sound at idle at least and they don't, sounds like staight pipe to me.
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Old 02-02-2011, 08:49 PM   #18
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Re: Flowmaster failure

Mac Off Road + original 40 series flowmaster mufflers have been on my car for 8 years now and have never failed to impress 100's of people that are confused when I tell them I'm missing two cylinders. I'll post a video soon. I also have mac shorty headers, but the only reason they are there is because the stock ones cracked in half and caused really bad leaks, but honestly I always have a grin on my face when I'm driving my 02. Sure power lacks and you don't have the V8 roar, but its the next best thing.
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Old 02-02-2011, 09:00 PM   #19
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Post a video. Do you have cats? I think my cats are playing a roll in my sound quality. Some say a mid pipe doesn't make a difference, but I've heard a lot that sound good with an x or h.....
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Old 02-02-2011, 09:04 PM   #20
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Re: Flowmaster failure

No cats....Off Road = no cats and yes the stock Y pipe and 4 cats (2 cats/2 resonators) definetely plays a role in sound. Ohh an midpipe is all the difference in the world.
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Old 02-02-2011, 10:13 PM   #21
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This is my old 97, h pipe catted with shorty headers and 2.5 piping and 2.5 tips with flowmaster super 44s. Didn't sound like most.
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Old 02-02-2011, 10:16 PM   #22
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My old 96 v6 with true duals, 2.5 piping and 3 inch chrome tips with flowmaster 40 series.
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Old 02-02-2011, 11:21 PM   #23
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Re: Flowmaster failure

I'll be honest with you, if you pull the cats off your car it will sound like a dying cat.

Been there, done that. I don't think I'll ever run an offroad pipe on a v6 car again.
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Old 02-02-2011, 11:47 PM   #24
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Quote:
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I'll be honest with you, if you pull the cats off your car it will sound like a dying cat.

Been there, done that. I don't think I'll ever run an offroad pipe on a v6 car again.
Exactly why I left cats on my 97
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Old 02-03-2011, 07:03 AM   #25
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I'm going to under mine today and make sure they put flows on it, the only thing I can think of is that they tried to screw me
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Old 02-04-2011, 09:55 PM   #26
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Re: Flowmaster failure

Yah generally flows sound decent on the v6 mustangs at idle and in the lower rpms. Above 3k rpms they're going to get high pitched and droney, and thats with chambered mufflers...cherry bombs, magnaflows and other straight thru mufflers are going to be worse, especially without cats.

I'd stick to a chambered muffler: flowmaster, pypes, borla, ford OEM. Definitely check to see if you got flowmasters or walmart specials.

I actually like Blb97stang's old stang...catted midpipe and flows. I personally think an aftermarket catted h-pipe with a set of flow 40's, pypes street pros, or borlas would be the best option on the v6's. Long tubes would make the exhaust note deeper, but aren't necessary if you want to save some coin.
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Old 02-04-2011, 10:26 PM   #27
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Quote:
Originally Posted by sonicpony03
Yah generally flows sound decent on the v6 mustangs at idle and in the lower rpms. Above 3k rpms they're going to get high pitched and droney, and thats with chambered mufflers...cherry bombs, magnaflows and other straight thru mufflers are going to be worse, especially without cats.

I'd stick to a chambered muffler: flowmaster, pypes, borla, ford OEM. Definitely check to see if you got flowmasters or walmart specials.

I actually like Blb97stang's old stang...catted midpipe and flows. I personally think an aftermarket catted h-pipe with a set of flow 40's, pypes street pros, or borlas would be the best option on the v6's. Long tubes would make the exhaust note deeper, but aren't necessary if you want to save some coin.
Yes, and thanks.
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