How to make exhaust quiet temporarily? - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 36 Old 06-08-2019, 07:34 PM Thread Starter
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How to make exhaust quiet temporarily?

Does anyone sell any easily removable baffles or similar that significantly cuts down exhaust noise that can be taken in and out of exhaust tips?

I live in a suburban neighborhood and nobody has said anything but I get the feeling that my car is a bit too loud for their tastes.

The current exhaust is 1-5/8" long tubes, off road H pipe, flowmaster 40 series catback with tips out the back. It was loud before but it is even louder with the new heads and cam.

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post #2 of 36 Old 06-08-2019, 07:42 PM
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Im not sure just how feasible it is but I put the vibrant 1142 ultra quiet resonators on my 02 harley truck and it quieted it down significantly. It was enough so that I was able to remove all 8 mufflers I had on it and put two of the largest flowmaster super 50 deltas on it and although its still loud its manageable now. At least now I dont get pulled over.

Im not sure if that helps you any but I wouldnt hesitate to try those resonators out.


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post #3 of 36 Old 06-08-2019, 07:48 PM Thread Starter
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I am looking for something that I can stop and put in and out in a parking lot a mile or two down the road from my neighborhood to not annoy the neighbors especially if I am coming home late after an event or something.

This car is a weekend car, not a daily driver but a lot of my neighbors are 50+ years old and I don't want to cause any trouble with them.
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post #4 of 36 Old 06-08-2019, 08:40 PM
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I would look for some mini glass pack or motor cycles muffler that you can slide in the tips. They make header baffles that might be easier to find and fit. A tin can with a few holes drilled in it might do.

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post #5 of 36 Old 06-08-2019, 09:07 PM
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post #6 of 36 Old 06-09-2019, 10:14 PM
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post #7 of 36 Old 06-09-2019, 10:37 PM
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What size tailpipes?

I bought a set of inserts that slide in my 3" tailpipes. Did take the bark out. I think Borla made them??
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post #8 of 36 Old 06-10-2019, 11:32 AM
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I live in a similar type of neighborhood. It's one of the reasons why i spent money on a catted X pipe. Also debating changing out my mufflers (currently have flowmaster 40's) as i have a new set of heads and cam going in and don't want it to be too loud. Right now i usually wait til at least 9AM to take my car for a ride, and am usually lugging out of the neighborhood in 2nd or 3rd gear.

I don't need every single HP on a car i mostly just cruise in so i'm ok with a quieter car if it costs a few HP

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post #9 of 36 Old 06-10-2019, 11:57 AM
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That all sounds like a lot of hassle. Make it so the car isn't louder than the law allows in VA and then just run it that way. If/when someone complains, you're not too loud by the law.
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post #10 of 36 Old 06-10-2019, 12:37 PM Thread Starter
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That all sounds like a lot of hassle. Make it so the car isn't louder than the law allows in VA and then just run it that way. If/when someone complains, you're not too loud by the law.
The homeowners association doesn't care about local laws they just make up their own.

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post #11 of 36 Old 06-10-2019, 12:45 PM
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This sounds like an ideal use case for electric cutouts - add a new restrictive muffler that the cutouts direct flow through. Then when you "need" it louder, open the cutouts, they bypass the new mufflers and go straight to the Flowmasters.

I've lived in neighborhoods where idiots on straight-piped Harleys go roaring down the road at 5am, or diesel trucks go rolling coal for fun, or where kids in Hondas rip around with fart can exhausts. Nobody likes that guy, don't be that guy.
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post #12 of 36 Old 06-10-2019, 12:46 PM
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HOA's can suck my d**k!! Lived with one. Never again!
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post #13 of 36 Old 06-10-2019, 04:57 PM
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Factory 2011-14 GT muffler look like they would work, 2.5" inlet/outlet from what I'm seeing online.

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post #14 of 36 Old 06-10-2019, 06:06 PM
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Old trick was to jam chicken wire up the exhaust.
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post #15 of 36 Old 06-10-2019, 06:46 PM
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post #16 of 36 Old 06-10-2019, 10:25 PM
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Bassani used to have baffles that you could take out of their tips. Maybe they sell them separately.
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post #17 of 36 Old 06-10-2019, 10:58 PM
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I have Bassani inserts, not Borla. It looks like they still sell them separately.
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post #18 of 36 Old 06-11-2019, 08:15 AM
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HOA is a joke. I understand why they're there, however after living in a neighborhood that had one, it will NEVER happen again (ever). I will be homeless before I ever become part of another POA or HOA. And yes I've been homeless so I know what it's like.

If you have complainy neighbors, move. Or permanently install quieter exhaust on the car which you will likely enjoy more anyway-especially as you age; speaking from experience. Even if you're able to rig up something to temporarily install on the way home, that too will get old after while and there's a probability that you'll likely eventually find yourself exploring one of the two aforementioned solutions.

"Neighbors" meaning 1/4 mile down the road we live on. Still about a mile too close if you ask me. Even though nobody gripes about noise out here, I still put quieter exhaust on the Mustang because I drive my stuff and the days of loud pipes are over. It's much more enjoyable to drive to work now.
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post #19 of 36 Old 06-11-2019, 10:34 AM
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I just stumbled across these universal mufflers last night. Pricey, but something new that I haven't seen before.

https://www.americanmuscle.com/x-for...-04-cobra.html

I have no idea if they are any good or can quiet down to a level you want... but figured I'd post them just in case.

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post #20 of 36 Old 06-11-2019, 10:38 AM
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How about something like this?

https://www.dynatechheaders.com/stor...inless-Steel--

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post #21 of 36 Old 06-11-2019, 12:49 PM
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Quote:
Originally Posted by thadude View Post
Factory 2011-14 GT muffler look like they would work, 2.5" inlet/outlet from what I'm seeing online.
Always wondered what an active exhaust muffler on a fox would be like.

Way too pricey to try out though
https://www.americanmuscle.com/roush...E&gclsrc=aw.ds


HOA's are hit or miss. I lived under one, and it had it's bad with the good. The politics were what burned my ass more as some people got a long leash, and others got dinged with every little thing depending on who was bingo buddies with who. I don't live in one now, but live in a pretty nice neighborhood with a lot of good people that i respect, so i can see trying to somewhat be courteous to others. I usually try to not start the car too early or too late and for the most part, i idle in and out of the neighborhood. Lots of young kids around too.

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post #22 of 36 Old 06-11-2019, 01:00 PM
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I gave your post a "like" for spelling quiet correctly and not just going with the common typo "quite".

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post #23 of 36 Old 06-11-2019, 03:04 PM
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The quintessentially quality quite quiet muffler quickly quells quakes and quashes quarrels.
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post #24 of 36 Old 06-11-2019, 03:28 PM
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Quote:
Originally Posted by Laminar View Post
The quintessentially quality quite quiet muffler quickly quells quakes and quashes quarrels.
Quite the queer but quality quantification of said quiet quip quackery.
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post #25 of 36 Old 06-11-2019, 07:20 PM
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post #26 of 36 Old 06-12-2019, 01:22 AM
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Fwiw, I'm considering the XForce Varex mufflers for my new cat-back system.
They are ~$270+tax each. They go in place of the existing mufflers.
They are controlled by a wireless keyfob.
Or, some people hard-wire a toggle switch.
Or, for ~$370, they can be controlled by a smart-phone app.


https://www.summitracing.com/parts/xfo-vmk51-250/

https://www.xforceusa.com/xforce-pro...-250/cid-/vid-


https://xforce.com.au/varex-mufflers/




If you wanted to make your life very easy, for $360, you can get the smart box and use the geo-location feature to automatically quiet the exhaust.
Note: You do not need and OBD-II car to use the location mode, or the manual mode.

https://www.amazon.com/XFORCE-SMARTB.../dp/B076PKDYGZ

https://xforce.com.au/varex-smart-box/

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post #27 of 36 Old 06-12-2019, 02:00 AM
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Well that would be amazing. Any sound clips from a sbf?

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post #28 of 36 Old 06-12-2019, 02:09 AM
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I've listen to a bunch of clips. There are a few clips for the newer S550 Stangs.

Also, there are a few clips here:
https://www.youtube.com/results?search_query=varex


Here is a clip with a '67 Stang that has a 487 FE engine. :-)


Here's a clip with a car using the muffler that I mentioned above:
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post #29 of 36 Old 06-12-2019, 07:57 AM
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XForce Varex mufflers are what I linked to in post #19.

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post #30 of 36 Old 06-12-2019, 09:14 AM
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Not sure what year you have but here is a list of resonators for you to consider. May help quiet it down.

https://www.jegs.com/webapp/wcs/stor...nators&Tab=SKU
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post #31 of 36 Old 06-12-2019, 06:55 PM Thread Starter
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Those Varex mufflers seem interesting but I am not sure that I am looking for a $600 solution to this problem.

I will probably try and make some home made baffles that slide down the tips and see how well that does. I am not really worried about how much power they kill since I am not planning on driving the car like that for any extended period of time.
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post #32 of 36 Old 06-12-2019, 07:46 PM
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post #33 of 36 Old 06-12-2019, 08:28 PM
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Quote:
Originally Posted by taco View Post
Those Varex mufflers seem interesting but I am not sure that I am looking for a $600 solution to this problem.

I will probably try and make some home made baffles that slide down the tips and see how well that does. I am not really worried about how much power they kill since I am not planning on driving the car like that for any extended period of time.
You’d probably be money ahead to throw your neighbors to the left and right 100 bucks each and tell them sorry but I’m coming home late sometimes.
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post #34 of 36 Old 06-13-2019, 06:23 PM
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I would "flow" with Laminar's suggestion above. Make your default system quiet --- hit the electric cutouts when you want it loud.

Spent more time/money playing with systems on my car to try and get a reasonable balance between sound I enjoyed and just being too loud. All of this is subjective - what some think is too loud, others think is just right. But I finally realized that anything aftermarket was too loud for my ears. I picked up pair of 5.0L Coyote mufflers for next to nothing on ebay -- undoubtedly someone much younger than me had removed them to put something on that was "too loud" for me. They're designed to handle 420-440 HP - so at that output level, they won't be too restrictive. Nice rumble when you get on it - but otherwise nice and quiet. Add cutouts when you feel the need for loud.
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post #35 of 36 Old 06-13-2019, 06:31 PM
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Quote:
Originally Posted by 5.0carlo View Post
Bassani used to have baffles that you could take out of their tips. Maybe they sell them separately.
I have them.. they dont quiet the exhaust in my experience.

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