Question about Cat Delete and Resonators

Labrada_Exoticz · 03-02-2009, 08:56 PM

I was thinking about going by the muffler shop tomorrow and deleting the secondary Cat. and wanted to find out a coupe things. Will I get any codes or anything by doing the delete? Second, you guys think it will make the exhaust drone more?
Also, will removing the resonators make the sound more raspy? Don't know if I should delete the Cat and Res or just the Cat.

Thanks in advance

camaross305 · 03-02-2009, 09:04 PM

Deleting the resonators will make the exhaust more raspy for sure.... you have the magnaflows right? I heard if you delete the resonators and cats with the magnaflows it will drone alot. You dont need any software etc. to delete the secondary cats i believe.

swamp2 · 03-02-2009, 09:09 PM

A related question. I would LOVE to know if you will pass California emmissions - the pollutants numbers (not the visual, obvisously) with a secondary cat delete. Maybe Turner can answer this. Maybe no one cares but me...

Labrada_Exoticz · 03-02-2009, 09:12 PM

Quote:

Originally Posted by camaross305

Deleting the resonators will make the exhaust more raspy for sure.... you have the magnaflows right? I heard if you delete the resonators and cats with the magnaflows it will drone alot. You dont need any software etc. to delete the secondary cats i believe.

Yea I have the magnaflows... the drone really doesn't bother me much but I don't want it to increase that much from how it is now. I'm pretty convinced in not deleting the Res but I still think I want to do the Cat delete. Looking for a louder but deeper sound which I was told I can do by deleting the secondary cat.

Anybody out there already delete their secondary cat?

lucid · 03-02-2009, 10:03 PM

Quote:

Originally Posted by knext21

I was thinking about going by the muffler shop tomorrow and deleting the secondary Cat. and wanted to find out a coupe things. Will I get any codes or anything by doing the delete? Second, you guys think it will make the exhaust drone more?
Also, will removing the resonators make the sound more raspy? Don't know if I should delete the Cat and Res or just the Cat.

Thanks in advance

It looks like the sensor is right after the primary cats, so getting rid of the secondary cats should not factor in.

KiokenM3 · 03-02-2009, 10:41 PM

Quote:

Originally Posted by knext21

I was thinking about going by the muffler shop tomorrow and deleting the secondary Cat. and wanted to find out a coupe things. Will I get any codes or anything by doing the delete? Second, you guys think it will make the exhaust drone more?
Also, will removing the resonators make the sound more raspy? Don't know if I should delete the Cat and Res or just the Cat.

Thanks in advance

DO IT!!! and post vids when your done

ChinoOrtega · 03-03-2009, 10:01 AM

I deleted the second cats and resonators and have the eisenmann race, the no codes whatsoever, just a nice loud rumble

Nate@IND · 03-03-2009, 12:09 PM

Quote:

Originally Posted by ChinoOrtega

I deleted the second cats and resonators and have the eisenmann race, the no codes whatsoever, just a nice loud rumble

We had this same setup on our E92 M3. Very aggressive.

[u2b]bxAQLnSra1Y&feature=channel_page[/u2b]

KiokenM3 · 03-03-2009, 04:13 PM

did you do it?

Labrada_Exoticz · 03-03-2009, 10:37 PM

Nope not yet, still trying to do a bit more research about the drone.

camaross305 · 03-04-2009, 02:07 PM

I think youll be fine with drone if you delete the 2nd cats...just dont delete the resonators

///Monster · 03-04-2009, 05:49 PM

Will deleting only the secondary cats create more drone? Will it make it more raspy?

TIA!

03-02-2009, 08:56 PM	#1
Labrada_Exoticz Subscribed 124 Rep 1,179 Posts Drives: F80 M3 Join Date: Feb 2008 Location: Miami iTrader: (4)	Question about Cat Delete and Resonators I was thinking about going by the muffler shop tomorrow and deleting the secondary Cat. and wanted to find out a coupe things. Will I get any codes or anything by doing the delete? Second, you guys think it will make the exhaust drone more? Also, will removing the resonators make the sound more raspy? Don't know if I should delete the Cat and Res or just the Cat. Thanks in advance
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03-02-2009, 09:04 PM	#2
camaross305 135 Rep 1,825 Posts Drives: 2008 M3 Join Date: Jul 2008 Location: gainesville fl iTrader: (20)	Deleting the resonators will make the exhaust more raspy for sure.... you have the magnaflows right? I heard if you delete the resonators and cats with the magnaflows it will drone alot. You dont need any software etc. to delete the secondary cats i believe. __________________ The original Hid angel eyes for sale now on ebay User name lmims526894rou Or contact me at chrism9551@aol.com
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03-02-2009, 09:09 PM	#3
swamp2 Lieutenant General 609 Rep 10,407 Posts Drives: E92 M3 Join Date: Sep 2006 Location: San Diego, CA USA iTrader: (3)	A related question. I would LOVE to know if you will pass California emmissions - the pollutants numbers (not the visual, obvisously) with a secondary cat delete. Maybe Turner can answer this. Maybe no one cares but me...
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03-03-2009, 10:01 AM	#7
ChinoOrtega Captain 50 Rep 604 Posts Drives: 991 C2S Join Date: Apr 2007 Location: Guatemala iTrader: (0)	I deleted the second cats and resonators and have the eisenmann race, the no codes whatsoever, just a nice loud rumble
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03-03-2009, 04:13 PM	#9
KiokenM3 Lieutenant Colonel 84 Rep 1,504 Posts Drives: LIFTED JEEP JK! Join Date: Dec 2008 Location: LA iTrader: (4)	did you do it?
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03-03-2009, 10:37 PM	#10
Labrada_Exoticz Subscribed 124 Rep 1,179 Posts Drives: F80 M3 Join Date: Feb 2008 Location: Miami iTrader: (4)	Nope not yet, still trying to do a bit more research about the drone.
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03-04-2009, 02:07 PM	#11
camaross305 135 Rep 1,825 Posts Drives: 2008 M3 Join Date: Jul 2008 Location: gainesville fl iTrader: (20)	I think youll be fine with drone if you delete the 2nd cats...just dont delete the resonators __________________ The original Hid angel eyes for sale now on ebay User name lmims526894rou Or contact me at chrism9551@aol.com
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03-04-2009, 05:49 PM	#12
///Monster Private First Class 11 Rep 148 Posts Drives: 2009 e92 M3 Join Date: Feb 2009 Location: Seattle iTrader: (0)	Will deleting only the secondary cats create more drone? Will it make it more raspy? TIA! __________________ 2009 E92 AW M3 Living the Dream
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