Is OEM exhaust mod too loud?

CallMeWonder · 10-25-2011, 09:56 PM

Title says it all guys, for those that have done this mod:
http://www.m3post.com/forums/showthread.php?t=320052

Is it too loud? How much does it drone?

I'm thinking about doing it and I finally convinced a shop to do it. lol

kmarei · 10-25-2011, 10:12 PM

I'd say it's 15-20% louder?
It's not too loud
It's basically your OEM exhaust, but with more balls

CallMeWonder · 10-25-2011, 10:30 PM

Quote:

Originally Posted by kmarei

I'd say it's 15-20% louder?
It's not too loud
It's basically your OEM exhaust, but with more balls

Cool, thanks for the response. Would you recommend to cover up all four of the perforated pipes or just the 2 with the higher amount of holes?

kmarei · 10-25-2011, 10:35 PM

Quote:

Originally Posted by CallMeWonder

Cool, thanks for the response. Would you recommend to cover up all four of the perforated pipes or just the 2 with the higher amount of holes?

Mine has just the larger section closed off
Smaller section left as is
And I love it!

1sikbmr · 10-25-2011, 11:25 PM

I had all 4 covered. I absolutely loved it but didn't think it was really loud. The good thing about this exhaust is that it's loud when you want it not just all the time. The more you step on the gas the louder it gets but all the way up top you hear that engine roar over the exhaust.

Raptor251 · 10-25-2011, 11:58 PM

Its not very loud at all, I also covered all 4 pipes and replaced all the packing

VegasEgg · 10-26-2011, 01:38 AM

I just did the 2 and it's perfect! Has a nice aggressive roar when on the gas but sounds stock while cruising. It doesn't drone at all either!

Grail05 · 10-26-2011, 09:20 AM

just pmd you bro... hope that helps. let me know if you have any other question... ill be glad to help you out.

CallMeWonder · 10-26-2011, 05:47 PM

Quote:

Originally Posted by Sean05

just pmd you bro... hope that helps. let me know if you have any other question... ill be glad to help you out.

thanks a lot man, I'm really liking this forum

F82_SID · 10-27-2011, 09:26 AM

I was going to cover all 4 pipes but the main reason I didnt is that I didnt want to pay the shop another 85$ for another hour of work to do the 2 smaller pipes that only have a few holes in the first place. Most of the holes on the smaller pipes are already covered by that wire hair looking crap anyway.

You can see what I mean in these picts from when I did mine.

THE TECH · 10-27-2011, 09:30 AM

Looks good.

Grail05 · 10-27-2011, 10:20 AM

Quote:

Originally Posted by E92_SID

I was going to cover all 4 pipes but the main reason I didnt is that I didnt want to pay the shop another 85$ for another hour of work to do the 2 smaller pipes that only have a few holes in the first place. Most of the holes on the smaller pipes are already covered by that wire hair looking crap anyway.

You can see what I mean in these picts from when I did mine.

ahhhh nice thats how mine looks like... clean well it used to look like...

i did the same thing didnt want to cover the other small pipes cause it was pretty tight with the steel wool around it.

JCtx · 10-27-2011, 01:26 PM

Quote:

Originally Posted by E92_SID

You can see what I mean in these picts from when I did mine.

What material did your shop use to cover the perforations? That's the way I want to do it, not cutting the stock pipes.

I actually want to remove that steel wool and leave the smaller perforations open (with all the packing material around it), to have some absorption, and minimize raspiness. But only if I could find a shop to do it. Nobody local wanted to do it without guaranteeing they wouldn't ruin the muffler due to their welders being 'too hot'. Obviously they don't know what they're doing, like others in larger cities. Oh well. Stuck with stock exhaust, it seems. Have a good one.

TMR · 10-27-2011, 01:53 PM

I heard a modified muffler yesterday. It sounds really good!

F82_SID · 10-27-2011, 01:55 PM

PM "ar design". They are the ones that did mine and they can tell you all about it and what they used.

MIGUEL-M3 · 10-27-2011, 11:28 PM

It's not loud at all at lower rpms. Shrieks when you floor it. By the way if you want the sound and are not bothered with the drone at 2000-3000 rpm, then remove the large and heavy muffler and replace with straight pipes. I did this whilst maintaining the 2 twin pipes. You will need to "equalize" the pulses by weldin an H-pipe or simply weld a pipe that will connect both banks right after the diff. The sound is awesome!!!.

If you decide to go with "operating" on the OEM muffler then completely seal off the perforated pipes including the one with the steel wool. No need to repack with the stuff you removed as there is nothing to muffle. Sound is still great but not as load and off course no drone....

smmmurf · 10-28-2011, 07:42 PM

It's pretty freakin loud outside, but not nearly as loud as an Eisenmann Race or Meisterschaft or Gintani Race, those things are ridiculous.

Inside i can hardly tell the difference. people outside think my car sounds sick.

J08M3 · 10-28-2011, 07:56 PM

I guess it depends on what the definition of "is" is

nmehta211 · 10-28-2011, 08:06 PM

Anyone have this done in the NYC area? I am looking to hear it, and if I like it, a shop to have it done at.

thanks in advance.

Dodge2Dub · 10-29-2011, 01:23 PM

Any idea how it sounds with the primary CATS deleted?

Dodge2Dub · 10-31-2011, 12:12 PM

Quote:

Originally Posted by Dodge2Dub

Any idea how it sounds with the primary CATS deleted?

Anyone know or have a vid?

10-25-2011, 09:56 PM	#1
CallMeWonder Private First Class 62 Rep 167 Posts Drives: 2013 M5 Alpine White Join Date: Oct 2011 Location: Seattle iTrader: (0)	Is OEM exhaust mod too loud? Title says it all guys, for those that have done this mod: http://www.m3post.com/forums/showthread.php?t=320052 Is it too loud? How much does it drone? I'm thinking about doing it and I finally convinced a shop to do it. lol
	Appreciate 0 Tweet Quote

10-25-2011, 10:12 PM	#2
kmarei Major General 686 Rep 6,845 Posts Drives: 2018 Audi RS5 coupe Join Date: Jul 2008 Location: Reston, VA iTrader: (34) Garage List 2018 Audi RS5 [0.00]	I'd say it's 15-20% louder? It's not too loud It's basically your OEM exhaust, but with more balls __________________
	Appreciate 0 Quote

10-25-2011, 11:25 PM	#5
1sikbmr Brigadier General 145 Rep 3,329 Posts Drives: F80 M3 6MT Join Date: Mar 2010 Location: New York iTrader: (16)	I had all 4 covered. I absolutely loved it but didn't think it was really loud. The good thing about this exhaust is that it's loud when you want it not just all the time. The more you step on the gas the louder it gets but all the way up top you hear that engine roar over the exhaust. __________________ F80 ///M3 6MT Avus Blue ZCP
	Appreciate 0 Quote

10-25-2011, 11:58 PM	#6
Raptor251 ESS Dreaming 27 Rep 870 Posts Drives: 2011.5 e92 m3/Ford Raptor 6.2 Join Date: Jan 2011 Location: San Diego iTrader: (1)	Its not very loud at all, I also covered all 4 pipes and replaced all the packing
	Appreciate 0 Quote

10-26-2011, 01:38 AM	#7
VegasEgg Lieutenant 51 Rep 571 Posts Drives: 640i Gran Coupe Join Date: Aug 2011 Location: USA iTrader: (-1) Garage List '11 Frozen Grey Edi ... [1.00]	I just did the 2 and it's perfect! Has a nice aggressive roar when on the gas but sounds stock while cruising. It doesn't drone at all either!
	Appreciate 0 Quote

10-26-2011, 09:20 AM	#8
Grail05 Putcha ang ganda... 281 Rep 5,441 Posts Drives: 17 F82 M4 Join Date: Feb 2010 Location: Los Angeles, Brea CA. iTrader: (10)	just pmd you bro... hope that helps. let me know if you have any other question... ill be glad to help you out. __________________
	Appreciate 0 Quote

10-27-2011, 09:26 AM	#10
F82_SID Brigadier General 208 Rep 3,153 Posts Drives: 2020 M2C 6mt HK Silver Join Date: Jan 2008 Location: Denver, CO. USA iTrader: (2)	I was going to cover all 4 pipes but the main reason I didnt is that I didnt want to pay the shop another 85$ for another hour of work to do the 2 smaller pipes that only have a few holes in the first place. Most of the holes on the smaller pipes are already covered by that wire hair looking crap anyway. You can see what I mean in these picts from when I did mine. Attached Images __________________ 2011/E92/M3/MR/BB/ZCV/ZP2/EDC/2MT
	Appreciate 0 Quote

10-27-2011, 09:30 AM	#11
THE TECH BimmerPost Supporting Vendor 307 Rep 13,093 Posts Drives: BPMsport 2012 E92 M3 Join Date: Jun 2011 Location: Kansas iTrader: (45) Garage List 2013 Nissan GTR [0.00] 2019 Sierra Denali ... [0.00] 1999 Nissan Silvia [0.00] 1999 Nissan Skyline ... [0.00] 1998 Toyota Supra [0.00]	Looks good.
	Appreciate 0 Quote

10-27-2011, 01:53 PM	#14
TMR Brigadier General 394 Rep 3,161 Posts Drives: M3 Join Date: Jun 2008 Location: Torrance iTrader: (12)	I heard a modified muffler yesterday. It sounds really good! __________________ 2015 M3 BPM Tuned, Eibach, Magnaflow and more www.tmrmzine.com/m3/f80 SOLD E92 Slēk Carbon Fiber Widebody M3 www.tmrmzine.com/m3/slek/ SOLD E92 335i Stage 3+ with all the toys www.tmrmzine.com/335/ SOLD E39 M5 Modded, What a great car! www.tmrmzine.com/m5/
	Appreciate 0 Quote

10-27-2011, 01:55 PM	#15
F82_SID Brigadier General 208 Rep 3,153 Posts Drives: 2020 M2C 6mt HK Silver Join Date: Jan 2008 Location: Denver, CO. USA iTrader: (2)	PM "ar design". They are the ones that did mine and they can tell you all about it and what they used. __________________ 2011/E92/M3/MR/BB/ZCV/ZP2/EDC/2MT
	Appreciate 0 Quote

10-27-2011, 11:28 PM	#16
MIGUEL-M3 New Member 0 Rep 26 Posts Drives: E92M3 Join Date: Sep 2011 Location: PHILIPPINES iTrader: (0)	It's not loud at all at lower rpms. Shrieks when you floor it. By the way if you want the sound and are not bothered with the drone at 2000-3000 rpm, then remove the large and heavy muffler and replace with straight pipes. I did this whilst maintaining the 2 twin pipes. You will need to "equalize" the pulses by weldin an H-pipe or simply weld a pipe that will connect both banks right after the diff. The sound is awesome!!!. If you decide to go with "operating" on the OEM muffler then completely seal off the perforated pipes including the one with the steel wool. No need to repack with the stuff you removed as there is nothing to muffle. Sound is still great but not as load and off course no drone....
	Appreciate 0 Quote

10-28-2011, 07:42 PM	#17
smmmurf Colonel 309 Rep 2,189 Posts Drives: E92 M3 DCT 353k+ miles Join Date: Feb 2008 Location: Half Moon Bay, CA iTrader: (7)	It's pretty freakin loud outside, but not nearly as loud as an Eisenmann Race or Meisterschaft or Gintani Race, those things are ridiculous. Inside i can hardly tell the difference. people outside think my car sounds sick.
	Appreciate 0 Quote

10-28-2011, 07:56 PM	#18
J08M3 Major General 285 Rep 6,007 Posts Drives: 2011 M3 COUPE Join Date: May 2008 Location: NEW YORK iTrader: (8)	I guess it depends on what the definition of "is" is __________________
	Appreciate 0 Quote

10-28-2011, 08:06 PM	#19
nmehta211 Lieutenant 71 Rep 400 Posts Drives: 08 E90 M3 Join Date: Jan 2006 Location: NYC iTrader: (3)	Anyone have this done in the NYC area? I am looking to hear it, and if I like it, a shop to have it done at. thanks in advance. __________________ 08 E90 M3 Interlagos Blue 99 E36 M3 Cosmos, #2--Sold 99 E36 M3 Cosmos, #1--Sold
	Appreciate 0 Quote

10-29-2011, 01:23 PM	#20
Dodge2Dub Captain 36 Rep 910 Posts Drives: E90 M3; Ducati Join Date: Dec 2007 Location: San Diego, CA iTrader: (6)	Any idea how it sounds with the primary CATS deleted? __________________ E90 M3: Some cool stuff...more to come Ducati 1199 Panigale: Bucket full of mods
	Appreciate 0 Quote