Quiet muffler

BlackVert · Apr 25, 2009

Pokageek said:
CORSA RED muffler for the win. Quiet until you hit WOT but nice sounds all along too. NO DRONE!

got any pics of that setup ... are the mufflers "offset" (one farther away from the engine than the other)? my drone is starting to annoy me

inphiniti · Apr 25, 2009

did you launch ur car last nite down near AAA? i heard a mustang and it sounded like yours

juiced_94gt · Apr 25, 2009

Im telling you guys, Borla Pro XS are some of the best mufflers, even with no cats it very humble at idle and nice throaty while cruising never giving the impression thats there's more noise than power and when you hammer it it's MUSIC WAY BETTER THAN ANY MAGNAFLOWS I have ever heard and they flow better than most other mufflers to boot!

Mustangless · Apr 25, 2009

juiced_94gt said:
Im telling you guys, Borla Pro XS are some of the best mufflers, even with no cats it very humble at idle and nice throaty while cruising never giving the impression thats there's more noise than power and when you hammer it it's MUSIC WAY BETTER THAN ANY MAGNAFLOWS I have ever heard and they flow better than most other mufflers to boot!

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

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).

95Vert383AOD · Apr 25, 2009

So you mean to tell me that the MAC mufflers i have now are only 7-8db quieter than the quietest on the list??? What about the Hush mufflers by Flowmaster?

Pokageek · Apr 25, 2009

BlackVert said:
got any pics of that setup ... are the mufflers "offset" (one farther away from the engine than the other)? my drone is starting to annoy me

No need to offset them in any way. Their internal design removes the drone. They are humble rumble while cruizing , then WOT goes to straight thru pipes as all the air flows with no restriction.. At WOT they are loud and sound wicked.

Back to the OP tho - To summarize - if you don't care about drone and want quiet and less expensive, go super-turbo, 50 series delta flow (better than nearly all on drone too) or one of the other mufflers mentioned on this site - as they are quiter WOT and cruizing. If drone is the issue, corsa mufflers are made for it, period. They are quieter at idle and cruizing but sound great!

revhead347 · Apr 26, 2009

95Vert383AOD said:
So you mean to tell me that the MAC mufflers i have now are only 7-8db quieter than the quietest on the list??? What about the Hush mufflers by Flowmaster?

7-8 db is a lot. Remember, every 10db is double the sound. So 80db is twice as loud as 70db. I have Dynomax Ultra flows. They are nice and quiet until you get on it.

Kurt

juiced_94gt · Apr 26, 2009

95Vert383AOD said:
So you mean to tell me that the MAC mufflers i have now are only 7-8db quieter than the quietest on the list??? What about the Hush mufflers by Flowmaster?

There is a BIG sound difference though from the mac's to the borla's is huge plus the borla's sound better than magnaflows which is the other quiet type muffler that everyone get's

DanB93 · Apr 26, 2009

Mustangless said:
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

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).

Any idea what the sound stats on the stock mufflers on a 5.0 are for comparison.?

juiced_94gt · Apr 26, 2009

^^^ good ? about the stock mufflers

Zero Signal · Apr 29, 2009

I say go with stock exhuast. Just figure out a way to offset the power and then you got yourself a sleeper I'm definitely going as quiet as possible whenever I finish my setup.

95Vert383AOD · Apr 29, 2009

UPDATE with vid!

I Recorded my mustang running today....Now you guys can see what i mean!!!

Oh yeah BTW i hate the lights too!!! Broke my old ones!!! Feel free to donate your horizontals!!!!

inphiniti · Apr 29, 2009

man im forever keeping my eyes peeled for some horizontals for u... just like that set i sent u the other nite

95Vert383AOD · Apr 29, 2009

inphiniti said:
man im forever keeping my eyes peeled for some horizontals for u... just like that set i sent u the other nite

Maybe ill get some Chevy exhaust tips to really piss everyone off

94-302-vert · Apr 30, 2009

Yeah I can see why they police like you.

I have heard clips of the FRPP catbacks and they sound quiet and mean... However they restrict down to a 2.25" pipe jsut before and after the mufflers... but should still flow plenty for you...

I had a dynomax super turbo on a v6 dakot and it was pretty quiet... I would try that...

nmcgrawj · Apr 30, 2009

You try hiflow cats yet?

inphiniti said:
man im forever keeping my eyes peeled for some horizontals for u... just like that set i sent u the other nite

car-parts.com

ProKiller · Apr 30, 2009

already painted red for you:
FS: 94-95 Tail Lights RED - Corral Forums

spend some time on youtube to get the jist of the different tones.

inphiniti · Apr 30, 2009

ProKiller said:
already painted red for you:
FS: 94-95 Tail Lights RED - Corral Forums

spend some time on youtube to get the jist of the different tones.

yeah those are the ones i sent him

95Vert383AOD · May 1, 2009

Hahaa those lights aggravate you guys that bad huh?? Maybe thats why im getting tickets!!!! Cops are like...."look at this @$$hole with euro lights on his stang"!!!

I have High Flow MAC cats...but they're on a H pipe designed for a 87-93 Fox. So i have to cut and re-weld them into the new pipe. I'll try that and get back to you guys with a updated sound clip.

Killercanary · May 1, 2009

The cats will really help to quiet the car. I'm in a similar boat right now with my cobra. Due to our autocross locations sound limits are being enforced this year and in addition I'm beginning to hate a loud car. Right now I'm running 1-5/8" shorties into a 2.5" offroad X pipe with a stock cat back that has 154K miles on it and its on the loud side. I just picked up GMKILLR's old cat back that is 2.5" with magnaflow mufflers. I have a decision to make though right now and that is do I want to keep the off road pipe or put a MAC high flow cat pipe I have too on the car. My problem is that once I make up my mind it will be hard to switch as I have to modify the exhaust to clear my MM torque arm and the cat-back and H/X need modified.

Quiet muffler

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