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Old 12-27-2010, 07:43 PM   #1
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Muffler

Ok so i have only a little money to spend and i was thinking about getting Flowmaster 2.5 ID super 44 series muffler. Would that sound good on my 2002 v6 mustang? And how hard would it be to put in?
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Old 12-27-2010, 09:19 PM   #2
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Re: Muffler

It would sound much better than stock...of course duals would sound the best, but if money is tight than the single aftermarket muffler will certainly do. The super 44 is a louder, more aggressive muffler, so that's a good choice.

You should be able to cut off the stock muffler and and put the flowmaster in place...I would guess the muffler needs to be welded, so unless you have a way to weld it in yourself, you'd probably want a shop to do it...shouldn't be more than a hour's labor to put it in.
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Old 12-27-2010, 09:26 PM   #3
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Ok do u think labor wld b alot?
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Old 12-28-2010, 04:33 AM   #4
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Re: Muffler

I'm thinking $50-$75 tops on labor. You will have to adapt the exhaust to the 2.5 inch pipe since stock is 2-2 1/4 inch but this should be very easy for a shop to do.
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Old 12-28-2010, 07:23 AM   #5
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Ok great, im going to get it done as soon as i can find someone to do it. Thanks
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Old 12-28-2010, 07:41 AM   #6
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Re: Muffler

Many people have the flowmaster muffler on their vehicles,its a very common part. I did what you are about to do, put a dual exhaust on my V6 Mustang if any go with a CatBack exhaust is sounds better than the flowmaster. Before, if you havent already go to youtube and look for your mustang with the flowmaster. I went to a Flowmaster Muffler dealer in Idaho to put my duel exhaust on for me and the dealer himself said that it was better than the flowmasters and for being a V6 engine the CatBack sounds really good. Hope this helps.
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Old 12-28-2010, 07:54 AM   #7
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Re: Muffler

Only negative I can warn you of is the infamous drone they are known for. I have not run them on my Mustang (and won't), but I had a couple on my Exploder and it drove me crazy after a while. Awesome sounding, especially when idling - nice low rumble. Problem was out on the highway - about 2200rpm the interior noise sucked. A continuous non-changing hum. I even down-graded the muffler for a "low-drone" model (series 50). Ya, helped, but still there. Driving on the highway for a 30 minute commute to work made it worse over time.

Just a warning if you're putting this on a daily driver, especially on a highway. Sure, any muffler can drone, but the way these things are built will make it worse. Again, no experience on a Mustang, just a would of warning.
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Old 12-28-2010, 08:03 AM   #8
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Hmm alright thanks, and yeah i probably will go with duel exhaust later on when i actually have money lol. 18, cant find a job to save my life, and have a girlfriend. Recipe for being BROKE :p
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Old 12-28-2010, 08:36 AM   #9
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Re: Muffler

Have fun with your FM 44 Series muffler! You will be real happy. Rev it up, smile, and drive that car around having fun with new sound.
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Old 12-28-2010, 08:38 AM   #10
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Quote:
Originally Posted by robb15033
Have fun with your FM 44 Series muffler! You will be real happy. Rev it up, smile, and drive that car around having fun with new sound.
Will do
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Old 12-28-2010, 08:59 AM   #11
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Re: Muffler

Beware of the dreaded 2000 rpm drone! It's a beast after about day 3!! Lol some people love it, but I personally hate it! Couldn't hear my radio or have a conversation in the car while cruising the hwy! My car had them with a Mac h pipe! It sounded mean dont get me wrong buy I quickly did some research made a few calls, and went with an x pipe and Bassani catback! It virtually eliminated the drone but still kept the aggressive sound! Good luck!
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Old 12-28-2010, 10:55 AM   #12
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Quote:
Originally Posted by Mikes347
Beware of the dreaded 2000 rpm drone! It's a beast after about day 3!! Lol some people love it, but I personally hate it! Couldn't hear my radio or have a conversation in the car while cruising the hwy! My car had them with a Mac h pipe! It sounded mean dont get me wrong buy I quickly did some research made a few calls, and went with an x pipe and Bassani catback! It virtually eliminated the drone but still kept the aggressive sound! Good luck!
Is the drone really that bad lol?
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Old 12-28-2010, 12:39 PM   #13
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Absolutely! It may not be as harsh with a mild v 6 but with my 347 and 4.10 gear......I felt like digging my eyeballs out with a rusty butter knife! Lol lol but again, you may be one of those ppl which actually don't mind hearing it! My 40 year old ears just couldn't take it like I could at 20! Lol
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Old 12-28-2010, 06:03 PM   #14
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Quote:
Originally Posted by Mikes347
Absolutely! It may not be as harsh with a mild v 6 but with my 347 and 4.10 gear......I felt like digging my eyeballs out with a rusty butter knife! Lol lol but again, you may be one of those ppl which actually don't mind hearing it! My 40 year old ears just couldn't take it like I could at 20! Lol
Lol alright thx for the warning
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Old 12-28-2010, 08:54 PM   #15
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Re: Muffler

Yah keep in mind he's talking about a built 347...big difference in sound. You'll get way more drone from that engine using 2 flowmasters than a single muffler on a v6.

It might drone on the highway, but nothing that's going to deafen you or prevent you from hearing the radio.

One thing I'd suggest doing is have the muffler shop weld the muffler in before the axle with a turndown tip on the end of the muffler. That'll eliminate that limp noodle underneath your bumper and more importantly give off a deeper tone.

Normally I'd say with duals, no cats and flowmasters this would be drone suicide in the cabin, but with one muffler it wouldn't be bad.
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Old 12-28-2010, 09:57 PM   #16
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Quote:
Originally Posted by sonicpony03
Yah keep in mind he's talking about a built 347...big difference in sound. You'll get way more drone from that engine using 2 flowmasters than a single muffler on a v6.

It might drone on the highway, but nothing that's going to deafen you or prevent you from hearing the radio.

One thing I'd suggest doing is have the muffler shop weld the muffler in before the axle with a turndown tip on the end of the muffler. That'll eliminate that limp noodle underneath your bumper and more importantly give off a deeper tone.

Normally I'd say with duals, no cats and flowmasters this would be drone suicide in the cabin, but with one muffler it wouldn't be bad.
On that subject, would duel exhaust take out too much compression in my v6?
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Old 12-28-2010, 10:04 PM   #17
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Re: Muffler

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Originally Posted by Nog51 View Post
On that subject, would duel exhaust take out too much compression in my v6?
I think you're meaning backpressure??? But no it won't, it will improve performance as long as you stick with pipe no bigger that 2.5 inch. I recommend running 2 1/4 from headers/manifolds back to the mufflers then 2.5 from muffler out the back with 18 inch long 3 inch round tips.
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Old 12-28-2010, 10:51 PM   #18
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Significantly improved or slightly?
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Old 12-28-2010, 11:01 PM   #19
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Re: Muffler

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Significantly improved or slightly?
I guess you would say slightly because there isn't any exhaust out there thats going to give you an extra 30 horsepower. You should feel more top end power and some improved take off. But back pressure is what gives to low end power and with to much back pressure "stock exhaust" it will kill top end performance, thats why you open your exhaust up and let it breath to obtain hp's at higher rpm.
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Old 12-29-2010, 01:03 PM   #20
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Ohh alright. Thanks a lot. Trying to understand this stuff lol. Im a noob at all of it right now but im trying to learn. Jus got my mustang in october of ths year and trying to understand the mechanical things about it more. I appreciate it.
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Old 12-29-2010, 02:07 PM   #21
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Re: Muffler

I have divorce duals feeding FM Super 10 Series mufflers. Negated that dreaded drone by installing a set of CC Inserts (2.5"-two disk). They really do work. It is phenomenal, 2100rpm to 2300rpm is slight but thats it! Love it.
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Old 12-29-2010, 03:36 PM   #22
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Quote:
Originally Posted by robb15033
I have divorce duals feeding FM Super 10 Series mufflers. Negated that dreaded drone by installing a set of CC Inserts (2.5"-two disk). They really do work. It is phenomenal, 2100rpm to 2300rpm is slight but thats it! Love it.
How much was ur whole setup
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Old 12-29-2010, 07:01 PM   #23
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Re: Muffler

Good info Straub.

As he said, the ideal setup would consist of 2 1/4" piping to keep that backpressure near stock specs to maintain your low end grunt. When I had my 2.5" exhaust installed, I could feel that the car was slightly sluggish down low but when I hauled *** on the highway it didn't feel as restrained. I personally would rather have the low end power over the top end since I don't race too much, mainly stop light racing to 35 for me, lol.

If you could find a GT takeoff exhaust you could have it welded up and swap out the stock mufflers for whichever ones you'd like.
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