Quieter Exhaust

xsb00st · 04-20-2008, 07:53 PM

Just had a Britalman (sp?) installed on the car and wow... it's deep, maybe a bit too deep when driving at normal speeds. I want to install resonators before the mufflers, do you think this will quiet it down a bit?

e90AW335i · 04-20-2008, 07:55 PM

Quote:

Originally Posted by xs*****

Just had a Britalman (sp?) installed on the car and wow... it's deep, maybe a bit too deep when driving at normal speeds. I want to install resonators before the mufflers, do you think this will quiet it down a bit?

Yes, resonator will quiet it down....

Dan335i · 04-20-2008, 07:55 PM

YES.

xsb00st · 04-20-2008, 07:57 PM

Thanks! Will it change the exhaust note, or just muffle down the sound?

e90AW335i · 04-20-2008, 07:58 PM

Quote:

Originally Posted by xs*****

Thanks! Will it change the exhaust note, or just muffle down the sound?

I would think a little bit of both but I am not sure. If you compare the e90 exhaust note to the e92 exhaust note that can give you an idea. The reason being that the e90 has resonators and the e92 doesnt....

xsb00st · 04-20-2008, 08:04 PM

Quote:

Originally Posted by e90AW335i

I would think a little bit of both but I am not sure. If you compare the e90 exhaust note to the e92 exhaust note that can give you an idea. The reason being that the e90 has resonators and the e92 doesnt....

Thanks again... hmmm... as long as I can get rid of the ultra deep note that sometimes slightly rattles the dash between 1800-2500 RPM I'll be good.

Mr. 5 · 04-20-2008, 08:04 PM

hmm...based on experience, a "resonator" only takes away high frequencies like rasp. Adding a resonator won't solve your problem.

Usually, if you are trying to change the sound of a car, you have to change the muffler.

xsb00st · 04-20-2008, 08:06 PM

Mr. 5... so you don't think it'll muffle out some of the deep notes?

Who did your reflector vinyl? Looks clean on your sig.

Doc E · 04-20-2008, 08:28 PM

Quote:

Originally Posted by xs*****

Mr. 5... so you don't think it'll muffle out some of the deep notes?

Who did your reflector vinyl? Looks clean on your sig.

is your car Step?
if it is you won't get rid of the drone (deep resonation) at all.

i've done it all. Resonators, Xpipe. just the rear muffler with OEM piping=drone drone drone.

LOLrance · 04-20-2008, 08:33 PM

Quote:

Originally Posted by Mr. 5

hmm...based on experience, a "resonator" only takes away high frequencies like rasp. Adding a resonator won't solve your problem.

Usually, if you are trying to change the sound of a car, you have to change the muffler.

Quote:

Originally Posted by PsyD4Me

is your car Step?
if it is you won't get rid of the drone (deep resonation) at all.

i've done it all. Resonators, Xpipe. just the rear muffler with OEM piping=drone drone drone.

+1000

What i noticed is that resonators will remove some of the rasp you hear but it seems like your problem is low end drone not rasp. And because its a auto, its nearly impossible to get rid of the drone. Im not sure why, but after hearing numerous of the same exhausts on autos and manuals, autos ALWAYS drone.

btrav1226 · 04-20-2008, 08:33 PM

on my audi i had an exhaust made with only a muffler after the cats... omg it rattled my change in the center console and gave me a headache 2 days in a row. went back and installed a resonator, made a world of difference! i think the resonator will work for u. good luck

Sneeze · 04-20-2008, 09:19 PM

Quote:

Originally Posted by xs*****

Just had a Britalman (sp?) installed on the car and wow... it's deep, maybe a bit too deep when driving at normal speeds. I want to install resonators before the mufflers, do you think this will quiet it down a bit?

I'm running RR Dp and Britalman Exhaust and after 2 weeks of driving got used to the loudness.

Maybe it just me, but I like my car loud...

cn555ic · 04-20-2008, 09:32 PM

Quote:

Originally Posted by thr33fivei

I'm running RR Dp and Britalman Exhaust and after 2 weeks of driving got used to the loudness.

Maybe it just me, but I like my car loud...

Its so true, you have to get used to the new sound...I thought my exhaust was loud compared to stock, but after a month with it, it seems its not loud enough now!1!!!!

Mr. 5 · 04-20-2008, 09:54 PM

Quote:

Originally Posted by xs*****

Mr. 5... so you don't think it'll muffle out some of the deep notes?

Mufflers are key to taking away deep notes.
Resonators are to take away high pitched sounds.

Some people might say that they added a resonator to the system and it helped, but they really added a muffler that they thought was a resonator.

A pure resonator is a perforated straight through design with no packing, but I would also consider the ones with packing to be a resonator.

Units that enter on the left and exit on the right (making some sort of curve) is considered a muffler in my book.

Sneeze · 04-20-2008, 09:56 PM

Quote:

Originally Posted by cn555ic

Its so true, you have to get used to the new sound...I thought my exhaust was loud compared to stock, but after a month with it, it seems its not loud enough now!1!!!!

Good to know its not just me.

Sneeze · 04-20-2008, 09:58 PM

Quote:

Originally Posted by Mr. 5

Mufflers are key to taking away deep notes.
Resonators are to take away high pitched sounds.

Some people might say that they added a resonator to the system and it helped, but they really added a muffler that they thought was a resonator.

A pure resonator is a perforated straight through design with no packing, but I would also consider the ones with packing to be a resonator.

Units that enter on the left and exit on the right (making some sort of curve) is considered a muffler in my book.

Adding resonators to any aftermarket exhaust you'll lose some HP tho right?

e90AW335i · 04-20-2008, 09:59 PM

Quote:

Originally Posted by thr33fivei

Adding resonators to any aftermarket exhaust you'll lose some HP tho right?

I wouldnt think so since it is completely flow through, but at the MAX it would be 2-3hp.....

Sneeze · 04-20-2008, 10:06 PM

Most aftermarket exhaust only give you 10 hp so if you put some resonators...Its not worth it.

Mr. 5 · 04-20-2008, 10:08 PM

Quote:

Originally Posted by thr33fivei

Adding resonators to any aftermarket exhaust you'll lose some HP tho right?

I don't think so.
Maybe 1-2 crank hp?

Once you start adding curves and baffles then now you're talking loos of hp.

picus · 04-20-2008, 10:14 PM

I've had the Britalman on my car for 8 months now - resonators will not get rid of the drone nor will adding an x-pipe. And yes, it does drone. I'm just waiting to get time to swap it out.

judec · 04-21-2008, 03:45 AM

op - sell your exhaust and buy something quieter

Sixspeed J · 04-21-2008, 04:13 AM

Why not sell the new exhaust and put the stock unit back on. You are not gaining alot of HP anyways with a aftermarket exhaust and if you are adding resonators you are probably going to lose some of the gains anyways.

04-20-2008, 07:53 PM	#1
xsb00st Lieutenant Colonel 187 Rep 1,638 Posts Drives: Slow Join Date: Nov 2005 Location: Earth iTrader: (21)	Quieter Exhaust Just had a Britalman (sp?) installed on the car and wow... it's deep, maybe a bit too deep when driving at normal speeds. I want to install resonators before the mufflers, do you think this will quiet it down a bit?
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04-20-2008, 07:55 PM	#3
Dan335i Lieutenant Colonel 33 Rep 1,786 Posts Drives: 07 335i coupe 6MT,w/sp. pack. Join Date: Oct 2007 Location: orange county NY iTrader: (2)	YES.
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04-20-2008, 07:57 PM	#4
xsb00st Lieutenant Colonel 187 Rep 1,638 Posts Drives: Slow Join Date: Nov 2005 Location: Earth iTrader: (21)	Thanks! Will it change the exhaust note, or just muffle down the sound?
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04-20-2008, 08:04 PM	#7
Mr. 5 Modder Raider 799 Rep 8,633 Posts Drives: M3 Join Date: Apr 2007 Location: Surf City, HB iTrader: (31) Garage List 2007 e90 335i [8.00]	hmm...based on experience, a "resonator" only takes away high frequencies like rasp. Adding a resonator won't solve your problem. Usually, if you are trying to change the sound of a car, you have to change the muffler. __________________ e36 M3 Coupe, e36 325i Sedan e90 335i--SOLD Best 60-130-------------9.15 Seconds------------------WWW.MR5RACING.COM
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04-20-2008, 08:06 PM	#8
xsb00st Lieutenant Colonel 187 Rep 1,638 Posts Drives: Slow Join Date: Nov 2005 Location: Earth iTrader: (21)	Mr. 5... so you don't think it'll muffle out some of the deep notes? Who did your reflector vinyl? Looks clean on your sig.
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04-20-2008, 08:33 PM	#11
btrav1226 Major 24 Rep 1,040 Posts Drives: g80 M3 Join Date: Apr 2008 Location: new hampshire iTrader: (5)	on my audi i had an exhaust made with only a muffler after the cats... omg it rattled my change in the center console and gave me a headache 2 days in a row. went back and installed a resonator, made a world of difference! i think the resonator will work for u. good luck
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04-20-2008, 10:06 PM	#18
Sneeze Captain 34 Rep 793 Posts Drives: 335i Join Date: Jan 2008 Location: LA iTrader: (3)	Most aftermarket exhaust only give you 10 hp so if you put some resonators...Its not worth it.
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04-20-2008, 10:14 PM	#20
picus Brigadier General 125 Rep 4,172 Posts Drives: e92 SG 335i Coupe Join Date: Jun 2006 Location: Toronto, ON iTrader: (0)	I've had the Britalman on my car for 8 months now - resonators will not get rid of the drone nor will adding an x-pipe. And yes, it does drone. I'm just waiting to get time to swap it out.
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04-21-2008, 03:45 AM	#21
judec born to be turbocharged 24 Rep 1,347 Posts Drives: Not a bimmer yet Join Date: May 2007 Location: Slovakia iTrader: (0)	op - sell your exhaust and buy something quieter __________________ Disclaimer: All this message was written with recycled electrons.
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04-21-2008, 04:13 AM	#22
Sixspeed J Private First Class 7 Rep 151 Posts Drives: BSM 1M Join Date: Nov 2007 Location: Ohio iTrader: (1)	Why not sell the new exhaust and put the stock unit back on. You are not gaining alot of HP anyways with a aftermarket exhaust and if you are adding resonators you are probably going to lose some of the gains anyways. __________________ BMW 1M Coupe Black Sapphire Metallic
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