Enhancing sound of M Performance Exhaust

mrspecter · 05-15-2018, 07:22 PM

I'm looking to enhance the sound of my M Performance Exhaust and I was wondering if anyone has any recommendations that doesn't involve messing with the cats as I do not want to deal with the NY emissions testing.

I really wanted to do test pipes, but it seems that having them will not pass the inspection and in order to pass I would probably need some sort of tune which I am not interested in doing at the moment.

UPSROD · 05-15-2018, 07:30 PM

It is already straight through...you might get rid of the packing in the tips???

Bomiz · 05-15-2018, 07:32 PM

delete everything up until the cats. or get a new exhaust, or leave it. I have the m performance but if I didn't delete the cats and add an x pipe, it sounds so soft lol

L4ces · 05-15-2018, 08:20 PM

Test pipes videos sound raspy.
Not many xpipe MPE videos and the only one I've heard with the green e93 sounds really good to the point that I suspect the sound was modified with software.

Grayblack · 05-15-2018, 10:49 PM

I’m running hfc’s at the moment, still waiting for a cel. You could try the afe hfc x pipe as well. Others are running it and haven’t triggered a cel. The bottom line is you’ll need to mess with the cats to get more sound.

Bomiz · 05-16-2018, 03:39 AM

You should hear my Mperf with a 1 of 1 RPI X Pipe Catless. People tell me it sounds like a ferrari or lambo v10

Ezio · 05-16-2018, 11:45 AM

delete the resonators. costed me 80 bucks at local muffler shop.

Richbot · 05-16-2018, 12:35 PM

The AFE introduced some rasp on my car with MPe but overall I think it compliments the character and importantly doesn’t make it obnoxious at light throttle, cruising on the highway it’s about the same as the stock xpipe

No CEL yet but it’s only been on the car a little over 1000 miles so far

CSBM5 · 05-16-2018, 03:23 PM

By the way, BMW quietly but massively reduced the price for the M-performance exhaust systems for the E9x. I would assume they're ready to phase out carrying these.

Former MSRP I believe was $3995 ish? It is now $2590, and available from BMW Morristown for $1942.50.

Well, smiles are for those who want to buy one; current M-perf exhaust owners just lost a lot of resale value I suppose.

s14_kev · 05-16-2018, 03:29 PM

Quote:

Originally Posted by Ezio

delete the resonators. costed me 80 bucks at local muffler shop.

Do you have before and after videos of this with MPE?

byroncheung · 05-16-2018, 04:21 PM

Quote:

Originally Posted by CSBM5

By the way, BMW quietly but massively reduced the price for the M-performance exhaust systems for the E9x. I would assume they're ready to phase out carrying these.

Former MSRP I believe was $3995 ish? It is now $2590, and available from BMW Morristown for $1942.50.

Well, smiles are for those who want to buy one; current M-perf exhaust owners just lost a lot of resale value I suppose.

still prefer the ghetto / ricer OEM exhaust mode for $500 bucks

111turbo · 05-16-2018, 08:18 PM

I went from just mpe to test pipes+mpe and finally fully catless + mpe.

L4ces · 05-16-2018, 09:05 PM

Quote:

Originally Posted by Richbot

The AFE introduced some rasp on my car with MPe but overall I think it compliments the character and importantly doesn't make it obnoxious at light throttle, cruising on the highway it's about the same as the stock xpipe

No CEL yet but it's only been on the car a little over 1000 miles so far

Does 'some rasp' by any chance mean the added rasp is less than that introduced from test pipes?

mrspecter · 05-18-2018, 02:41 AM

Quote:

Originally Posted by Ezio

delete the resonators. costed me 80 bucks at local muffler shop.

If you have videos, can you please share? I'd like to hear what it sounds like with the deleted resonators

Ezio · 05-18-2018, 04:01 PM

Quote:

Originally Posted by mrspecter

If you have videos, can you please share? I'd like to hear what it sounds like with the deleted resonators

Quote:

Originally Posted by kevin///mlee

Do you have before and after videos of this with MPE?

I never had the MPE, i had the exhaust mod with a resonator delete. I did the resonator delete at a later time. It without a doubt makes the car louder. Everyone overlooks removing the resonators. But heres my car from years ago.

TomHudson · 05-20-2018, 09:03 AM

Buy the Dinan midpipe that’s for sale on the forum. You’ll enjoy the performance improvements and a wonderful exhaust note...

TedA · 05-20-2018, 12:54 PM

Quote:

Originally Posted by mrspecter

I'm looking to enhance the sound of my M Performance Exhaust and I was wondering if anyone has any recommendations that doesn't involve messing with the cats as I do not want to deal with the NY emissions testing.

I really wanted to do test pipes, but it seems that having them will not pass the inspection and in order to pass I would probably need some sort of tune which I am not interested in doing at the moment.

Has anyone paired the Fabspeed “sport primary cat” (200 cel) with stock X-pipe and MPE? I’m very curious if this emission legal combination reduces the amount of “rasp” that you hear with a primary cat delete.

L4ces · 05-21-2018, 03:24 PM

Quote:

Originally Posted by TedA

Quote:

Originally Posted by mrspecter

I'm looking to enhance the sound of my M Performance Exhaust and I was wondering if anyone has any recommendations that doesn't involve messing with the cats as I do not want to deal with the NY emissions testing.

I really wanted to do test pipes, but it seems that having them will not pass the inspection and in order to pass I would probably need some sort of tune which I am not interested in doing at the moment.

Has anyone paired the Fabspeed “sport primary cat” (200 cel) with stock X-pipe and MPE? I’m very curious if this emission legal combination reduces the amount of “rasp” that you hear with a primary cat delete.

Damn good question.

mtx450 · 11-13-2018, 02:16 PM

mrspecter So what did you wind up going with? I'm another Long Island MPE user and would love to hear whatever you came up with! :-)

05-15-2018, 07:22 PM	#1
mrspecter Private First Class 74 Rep 197 Posts Drives: 11 E92 M3 Join Date: Nov 2017 Location: Long Island, NY iTrader: (3)	Enhancing sound of M Performance Exhaust I'm looking to enhance the sound of my M Performance Exhaust and I was wondering if anyone has any recommendations that doesn't involve messing with the cats as I do not want to deal with the NY emissions testing. I really wanted to do test pipes, but it seems that having them will not pass the inspection and in order to pass I would probably need some sort of tune which I am not interested in doing at the moment.
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05-15-2018, 07:30 PM	#2
UPSROD Lieutenant Colonel 946 Rep 1,932 Posts Drives: 2013 E92 M3 Join Date: Jul 2015 Location: Richland, Wa. iTrader: (2) Garage List 2013 BMW M3 [10.00]	It is already straight through...you might get rid of the packing in the tips???
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05-15-2018, 07:32 PM	#3
Bomiz Captain 323 Rep 824 Posts Drives: SS E92 M3 Join Date: Jun 2012 Location: Los Angeles iTrader: (2)	delete everything up until the cats. or get a new exhaust, or leave it. I have the m performance but if I didn't delete the cats and add an x pipe, it sounds so soft lol
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05-15-2018, 08:20 PM	#4
L4ces Major 337 Rep 1,489 Posts Drives: 2008 E92 M3 Alpine White Join Date: Aug 2010 Location: NJ - NY iTrader: (0) Garage List 2008 M3 [0.00]	Test pipes videos sound raspy. Not many xpipe MPE videos and the only one I've heard with the green e93 sounds really good to the point that I suspect the sound was modified with software.
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05-15-2018, 10:49 PM	#5
Grayblack Captain 183 Rep 995 Posts Drives: E92 M3 and G07 X7 Join Date: Nov 2012 Location: OC, CA iTrader: (8)	I’m running hfc’s at the moment, still waiting for a cel. You could try the afe hfc x pipe as well. Others are running it and haven’t triggered a cel. The bottom line is you’ll need to mess with the cats to get more sound.
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05-16-2018, 03:39 AM	#6
Bomiz Captain 323 Rep 824 Posts Drives: SS E92 M3 Join Date: Jun 2012 Location: Los Angeles iTrader: (2)	You should hear my Mperf with a 1 of 1 RPI X Pipe Catless. People tell me it sounds like a ferrari or lambo v10
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05-16-2018, 11:45 AM	#7
Ezio Brigadier General 380 Rep 3,934 Posts Drives: 2023 Alfa Romeo, 2023 m240i Join Date: Nov 2012 Location: MI iTrader: (0)	delete the resonators. costed me 80 bucks at local muffler shop.
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05-16-2018, 12:35 PM	#8
Richbot Major General 2760 Rep 5,483 Posts Drives: Jerez Black E90 Join Date: Sep 2007 Location: STL iTrader: (5)	The AFE introduced some rasp on my car with MPe but overall I think it compliments the character and importantly doesn’t make it obnoxious at light throttle, cruising on the highway it’s about the same as the stock xpipe No CEL yet but it’s only been on the car a little over 1000 miles so far __________________
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05-16-2018, 03:23 PM	#9
CSBM5 Brigadier General 2723 Rep 3,337 Posts Drives: 2019 M2 Comp, 2011 M3, etc Join Date: Nov 2005 Location: Greenville, SC iTrader: (2)	By the way, BMW quietly but massively reduced the price for the M-performance exhaust systems for the E9x. I would assume they're ready to phase out carrying these. Former MSRP I believe was $3995 ish? It is now $2590, and available from BMW Morristown for $1942.50. Well, smiles are for those who want to buy one; current M-perf exhaust owners just lost a lot of resale value I suppose. __________________ Current Stable: 2024 G20 M340i Melbourne Red/Cognac 2019 F87 M2 Competition 6MT, LBB, slicktop, exec pkg 2007 E91 328i Silver, slushbox, Eibach fr/E93 M3 rear sway bars, ARC-8
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05-16-2018, 08:18 PM	#12
111turbo Private First Class 81 Rep 130 Posts Drives: '12 e92 M3 Join Date: Jan 2015 Location: NY iTrader: (1)	I went from just mpe to test pipes+mpe and finally fully catless + mpe.
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05-20-2018, 09:03 AM	#16
TomHudson Major 659 Rep 1,118 Posts Drives: 2011 E90 M3 Join Date: May 2015 Location: Toronto iTrader: (0)	Buy the Dinan midpipe that’s for sale on the forum. You’ll enjoy the performance improvements and a wonderful exhaust note...
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11-13-2018, 02:16 PM	#19
mtx450 Lieutenant 169 Rep 548 Posts Drives: 2011 E90 M3 ZCP Join Date: Jan 2016 Location: Long Island, NY iTrader: (0) Garage List 2011 BMW M3 [0.00]	mrspecter So what did you wind up going with? I'm another Long Island MPE user and would love to hear whatever you came up with! :-)
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