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-   -   quiet performance muffler? (https://mustangboards.com/general-tech-forum/28268-quiet-performance-muffler.html)

completenewb 01-18-2008 03:43 PM
quiet performance muffler?
 
I had magnaflow ugh hated the drone changed them out for dynomax super turbo loved the quiet performance but they burnt out not so quiet any more without the fiber glass:P
Whats a good flowing muffler without the attention getter noise.
Im fine if its loud when i step on it but highway driving HMMMMMMMMMMMMM drone sucks! I know i can downgrade my gear but i like my 3.73.

officer4c13 01-18-2008 04:11 PM
any hi-pro muffler is going to have a growl to it going down the highway, my faverit is flow master 40's or 44's

zigzagg321 01-18-2008 04:41 PM
Flowmasters are one of the droniest mufflers available.

officer4c13 01-18-2008 09:11 PM
what would you go with? i will be looking for a new system for my car soon. i was going to go flow master but if there is something better ill go that way.

completenewb 01-18-2008 09:26 PM
on another site someone said slp pro flow or something or borla?


Why do ricers get all the cool stuff!!! damn i want one ! http://www.youtube.com/watch?v=K7jGYnhbQQU
remote control muffler!

That would do what i would want on highway close the thing!

3.8for the win 01-18-2008 09:31 PM
that just made me hate jap cars even more....

JayC 01-18-2008 09:33 PM
Sound Off in Quietest to Loudest (Decibels):

1.Borla XS, 80db at idle, 90db at 2,000 rpm, 110db at WOT.
2.Hooker Maxflow, 80db at idle, 90db at 2,000 rpm, 120db at WOT.
3.Magnaflow, 82db at idle, 91 at 2,000 rpm, 114db at WOT.
4.Flowmaster, 82db at idle, 93 at 2,000 rpm, 115db at WOT.
5.Flowtech Warlock, 83db at idle, 92 at 2,000 rpm, 112db at WOT.
6.Dynomax UltraFlo, 83db at idle, 94 at 2,000 rpm, 113db at WOT.
7.Borla XR1, 83db at idle, 96db at 2,000 rpm, 118db at WOT.
8.Bassani Street, 83db at idle, 96db at 2,000 rpm, 120db at WOT.
9.Edelbrock RPM, 84db at idle, 93db at 2,000 rpm, 118db at WOT.
10.Bassani Real Street, 84db at idle, 96db at 2,000 rpm, MAX. (120+db).
11.Flowtech Afterburner, 86db at idle, 94db at 2,000 rpm, 115db at WOT.
12.Flowtech Terminator, 86db at idle, 94db at 2,000 rpm, 119db at WOT.
13.Hooker Aerochamber, 87db at idle, 94db at 2,000 rpm, 114db at WOT.
14.SpinTech, 87db at idle, 97db at 2,000 rpm, 116db at WOT.
15.MAC, 87db at idle, 98db at 2,000 rpm, 119db at WOT.
16.No Muffler, 91db at idle, 103db at 2,000 rpm, MAX. (120+db).


The results in HP order:

1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq

completenewb 01-18-2008 10:23 PM
Originally Posted by JayC (Post 304170)
Sound Off in Quietest to Loudest (Decibels):

1.Borla XS, 80db at idle, 90db at 2,000 rpm, 110db at WOT.
2.Hooker Maxflow, 80db at idle, 90db at 2,000 rpm, 120db at WOT.
3.Magnaflow, 82db at idle, 91 at 2,000 rpm, 114db at WOT.
4.Flowmaster, 82db at idle, 93 at 2,000 rpm, 115db at WOT.
5.Flowtech Warlock, 83db at idle, 92 at 2,000 rpm, 112db at WOT.
6.Dynomax UltraFlo, 83db at idle, 94 at 2,000 rpm, 113db at WOT.
7.Borla XR1, 83db at idle, 96db at 2,000 rpm, 118db at WOT.
8.Bassani Street, 83db at idle, 96db at 2,000 rpm, 120db at WOT.
9.Edelbrock RPM, 84db at idle, 93db at 2,000 rpm, 118db at WOT.
10.Bassani Real Street, 84db at idle, 96db at 2,000 rpm, MAX. (120+db).
11.Flowtech Afterburner, 86db at idle, 94db at 2,000 rpm, 115db at WOT.
12.Flowtech Terminator, 86db at idle, 94db at 2,000 rpm, 119db at WOT.
13.Hooker Aerochamber, 87db at idle, 94db at 2,000 rpm, 114db at WOT.
14.SpinTech, 87db at idle, 97db at 2,000 rpm, 116db at WOT.
15.MAC, 87db at idle, 98db at 2,000 rpm, 119db at WOT.
16.No Muffler, 91db at idle, 103db at 2,000 rpm, MAX. (120+db).


The results in HP order:

1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq
Awesome awesome awesome this is what i was looking for something like this! Thank you!
Borla xs or hooker maxflow...Borla with the million mile warranty id imagine doesnt have glass packing to burn out does it? If so i will go with borla. Im pretty sure dynomax super turbos are quieter but they arnt listed and do burn out.

bassman97 01-19-2008 08:22 AM
Yeah then you may not want the Hookers since they have packing material

zigzagg321 01-19-2008 10:59 AM
Originally Posted by bassman97 (Post 304207)
Yeah then you may not want the Hookers since they have packing material
you sure about that? I looked inside mine with a mirror and flashlight and didnt see any packing material.

redfire04 01-19-2008 01:28 PM
Originally Posted by completenewb (Post 304078)
I had magnaflow ugh hated the drone changed them out for dynomax super turbo loved the quiet performance but they burnt out not so quiet any more without the fiber glass:P
Whats a good flowing muffler without the attention getter noise.
Im fine if its loud when i step on it but highway driving HMMMMMMMMMMMMM drone sucks! I know i can downgrade my gear but i like my 3.73.
Seriously? Did you have the magnapacks or just regular magnaflow mufflers? I run the regular magnaflows because they growl at wot but are quiet and do not drone at highway speeds.

In the list above magnaflow is #3 for loudness. 1-2 dbs are not going to make much difference.

completenewb 01-19-2008 03:08 PM
Originally Posted by redfire04 (Post 304234)
Seriously? Did you have the magnapacks or just regular magnaflow mufflers? I run the regular magnaflows because they growl at wot but are quiet and do not drone at highway speeds.

In the list above magnaflow is #3 for loudness. 1-2 dbs are not going to make much difference.
they came with my car they where canister type mufflers i dunno too loud:P Had full magnaflow after cat if that tells yah anything prolly whatever came in kit for 2000 GT.

singlesupra 01-19-2008 08:04 PM
I read once where al papito said that the stock cobra catback made as much power on his car as an aftermarket catback did, if that helps any.

BTW, Ive seen a lot of mustangs riding around with no mufflers and not only were they not nearly as loud at WOT but didnt sound good at all. Kinda odd they said it was the loudest. However, this was on five oh's

redfire04 01-20-2008 11:28 AM
Originally Posted by completenewb (Post 304250)
they came with my car they where canister type mufflers i dunno too loud:P Had full magnaflow after cat if that tells yah anything prolly whatever came in kit for 2000 GT.
If you had the canister style they were probably the packs. Those are going to be louder than the regular magnaflows. I'd suggest getting the regular magnaflows...like I said before I run the regular flows mainly because of the quietness when not at wot.

FYI here is a pick of the louder magnapacks:
http://us.st11.yimg.com/us.st.yimg.c...g_1986_5430592

And here is one of the regular magnaflows:
http://us.st11.yimg.com/us.st.yimg.c...1982_274031933

completenewb 01-20-2008 12:01 PM
Originally Posted by redfire04 (Post 304404)
If you had the canister style they were probably the packs. Those are going to be louder than the regular magnaflows. I'd suggest getting the regular magnaflows...like I said before I run the regular flows mainly because of the quietness when not at wot.

FYI here is a pick of the louder magnapacks:
http://us.st11.yimg.com/us.st.yimg.c...g_1986_5430592

And here is one of the regular magnaflows:
http://us.st11.yimg.com/us.st.yimg.c...1982_274031933
Yah i had magna packs do you have a sound clip of your set up? I have catted H pipe so should quiet it some if you dont but my dynomax are pretty much burnt out too much heat with supercharger i guess..

venom 01-20-2008 01:30 PM
SLP powerflo

https://mustangboards.com/mustang/pi....php/photo/381

completenewb 01-20-2008 09:13 PM
Originally Posted by venom (Post 304419)
That sounds pretty quiet i wonder how the flow is compared to borla xs. Borla is so dang expensive!:P

venom 01-21-2008 08:27 PM
Its a straight throw design so there is no flow restriciton. Do you want a dirty whore or a church girl. Sound level inside the cab is directed related to outside noise. You have to compromise and I choose to have a quieter cab so I can hear the radio, phone conversations plus my hearing. There is no exhaust thats going to be super loud outside with no drone and quiet inside. You have to pick and choose whats important to you. Whats the point of having a loud slow car. Id rather hearing the whistling of my SC.

White04GT 01-21-2008 09:21 PM
I have bassani headers/ bassani o/r x pipe, and slp power flow and it sounds awesome!

krazypony 01-22-2008 05:58 AM
Originally Posted by redfire04 (Post 304234)
I run the regular magnaflows because they growl at wot but are quiet and do not drone at highway speeds.
I have the same setup and prefer it, its there when you hit the gas and turn heads if need be, but not all the time. I needed something not so def. since my g/f kids mostly sit in the back and gawd forbid if they cant hear the radio and sing along out of synch at the same time...to me I sooner drive with no radio and listen to the wonderful sound of the car myself!

Borla will be a deeper exhaust sound, had them on a 03 Mach1 and it sounded wicked!

96blackgt54 01-22-2008 06:08 AM
If it's to loud, You're to old!

LOL

I'm to old

I put Cherry Bombs turbo 2 on mine. You can't hear it run!

bassman97 01-22-2008 01:14 PM
The Max-Flows have packing. Just go to Hooker's site and click on their Max-Flow muffler and on the cut away, you see the case, packing, and the perforated tube in the middle. The Areo-Chambers though are just chambered.

completenewb 01-24-2008 01:36 PM
Originally Posted by venom (Post 304643)
Its a straight throw design so there is no flow restriciton. Do you want a dirty whore or a church girl. Sound level inside the cab is directed related to outside noise. You have to compromise and I choose to have a quieter cab so I can hear the radio, phone conversations plus my hearing. There is no exhaust thats going to be super loud outside with no drone and quiet inside. You have to pick and choose whats important to you. Whats the point of having a loud slow car. Id rather hearing the whistling of my SC.

Cant i have a dirty whore in the bed room and a church girl outside?:P

yah i want quieter i like the silent killer better. At the track my quiet car destroying some trailer queen with dumped exhaust is great. Its just not quiet enough on the highway!


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