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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > What is Your Ideal Exhaust?
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      06-14-2018, 10:01 PM   #1
Magna_Flow
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What is Your Ideal Exhaust?

Hi Guys! We are planning some exciting new changes for our line of BMW products and would love to hear your opinions on what makes the perfect exhaust system. This type of feedback from the community helps us make decisions for future development and fine tune our products to the needs of the customers. If you have a moment, we ask that you please answer the 4 quick questions below regarding what you look for in an aftermarket catback system. Thank you in advance for taking the time to contribute!

1) What sound level do you prefer from a performance exhaust system?
PICK ONE:
  • Stock
  • Slightly louder than stock
  • Noticeably louder than stock
  • Aggressively louder than stock
2) What tip finish/style would you want in a performance exhaust system?
PICK ONE:
  • Polished
  • Satin Finish
  • Satin Black
  • Carbon fiber
  • Titanium
3) What material do you want when buying a performance exhaust system?
PICK ONE:
  • Standard 409 stainless steel
  • Higher cost 304 stainless steel
  • Titanium
4) What’s most important when looking to upgrade a stock exhaust system?
RANK FROM MOST TO LEAST IMPORTANT:
  • Weight reduction
  • Horsepower/Torque
  • System longevity
  • Ability to handle flow requirements due to other modifications
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      06-14-2018, 11:09 PM   #2
Teefard
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N20
1. Aggressively louder than stock.
2. Black chrome or gunmetal
3. Not too familiar of difference 409 and 304. Depending on quality and the gap in price difference
4.
Hp/torque
System longevity
Ability to handle flow
Weight
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      06-14-2018, 11:24 PM   #3
rjdnyy224
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Quote:
Originally Posted by Magna_Flow View Post
Hi Guys! We are planning some exciting new changes for our line of BMW products and would love to hear your opinions on what makes the perfect exhaust system. This type of feedback from the community helps us make decisions for future development and fine tune our products to the needs of the customers. If you have a moment, we ask that you please answer the 4 quick questions below regarding what you look for in an aftermarket catback system. Thank you in advance for taking the time to contribute!

1) What sound level do you prefer from a performance exhaust system?
PICK ONE:
  • Stock
  • Slightly louder than stock
  • Noticeably louder than stock
  • Aggressively louder than stock
2) What tip finish/style would you want in a performance exhaust system?
PICK ONE:
  • Polished
  • Satin Finish
  • Satin Black
  • Carbon fiber
  • Titanium
3) What material do you want when buying a performance exhaust system?
PICK ONE:
  • Standard 409 stainless steel
  • Higher cost 304 stainless steel
  • Titanium
4) What’s most important when looking to upgrade a stock exhaust system?
RANK FROM MOST TO LEAST IMPORTANT:
  • Weight reduction
  • Horsepower/Torque
  • System longevity
  • Ability to handle flow requirements due to other modifications

F30 328I
1. Noticeabley louder than stock
2. Polished
3. 304 stainless
4. None of these are really an important factor for the F3x platform except for maybe increased flow, but most people just get a DP and are done with it. The only thing that matters for the F3x is sound IMO, both volume and tone.

Something absent here is do you prefer tone over volume or vice versa? Obviously there needs to be a balance of both, but if too much focus is placed on one, then the other will suffer. Just something to consider
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2013 328i xDrive N20 | Bootmod3 Stage 1 OTS 93oct | M Performance Exhaust | K&N Drop-in | Dinan 20" Wheels Wearing Michelin PSS | F80 Style Decklid Spoiler | Debadged | F80 Style Grille |
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      06-15-2018, 01:03 AM   #4
BunkerJ
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Quote:
Originally Posted by Magna_Flow View Post
Hi Guys! We are planning some exciting new changes for our line of BMW products and would love to hear your opinions on what makes the perfect exhaust system. This type of feedback from the community helps us make decisions for future development and fine tune our products to the needs of the customers. If you have a moment, we ask that you please answer the 4 quick questions below regarding what you look for in an aftermarket catback system. Thank you in advance for taking the time to contribute!

1) What sound level do you prefer from a performance exhaust system?
PICK ONE:
  • Stock
  • Slightly louder than stock
  • Noticeably louder than stock
  • Aggressively louder than stock
2) What tip finish/style would you want in a performance exhaust system?
PICK ONE:
  • Polished
  • Satin Finish
  • Satin Black
  • Carbon fiber
  • Titanium
3) What material do you want when buying a performance exhaust system?
PICK ONE:
  • Standard 409 stainless steel
  • Higher cost 304 stainless steel
  • Titanium
4) What’s most important when looking to upgrade a stock exhaust system?
RANK FROM MOST TO LEAST IMPORTANT:
  • Weight reduction
  • Horsepower/Torque
  • System longevity
  • Ability to handle flow requirements due to other modifications
1) Aggressive
2) Diamond Black (Black Chrome)
3) 304 (Titanium if I had $$$)
4) Weight/Flow (HP/TQ comes with flow )
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2013 F30 328i: MHI Big Turbo, GFB DV+, Mishimoto CAI, ER TIC/CP/Catless DP, AWE Touring Quad Exhaust w/ Resonated Midpipe, NGK LI Plugs, BM3 with PTF Stage 2 91 AGG Tune, Fuel-it Stage 2 LPFP, Solowerks S1 Coilovers, and DEPO/M-Sport Retrofit
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      06-15-2018, 10:34 AM   #5
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5) Cost..
Exorbitant
Reasonable
Meh
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      06-15-2018, 05:00 PM   #6
BunkerJ
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Quote:
Originally Posted by BMRSEB View Post
5) Cost..
Exorbitant
Reasonable
Meh
So:
$3000
$1500
$500
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2013 F30 328i: MHI Big Turbo, GFB DV+, Mishimoto CAI, ER TIC/CP/Catless DP, AWE Touring Quad Exhaust w/ Resonated Midpipe, NGK LI Plugs, BM3 with PTF Stage 2 91 AGG Tune, Fuel-it Stage 2 LPFP, Solowerks S1 Coilovers, and DEPO/M-Sport Retrofit
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      06-15-2018, 06:19 PM   #7
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weight.

will make for B48 or N20?
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      06-16-2018, 12:44 PM   #8
Fronttwelv
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Quote:
Originally Posted by Magna_Flow View Post
Hi Guys! We are planning some exciting new changes for our line of BMW products and would love to hear your opinions on what makes the perfect exhaust system. This type of feedback from the community helps us make decisions for future development and fine tune our products to the needs of the customers. If you have a moment, we ask that you please answer the 4 quick questions below regarding what you look for in an aftermarket catback system. Thank you in advance for taking the time to contribute!

1) What sound level do you prefer from a performance exhaust system?
PICK ONE:
  • Stock
  • Slightly louder than stock
  • Noticeably louder than stock
  • Aggressively louder than stock
2) What tip finish/style would you want in a performance exhaust system?
PICK ONE:
  • Polished
  • Satin Finish
  • Satin Black
  • Carbon fiber
  • Titanium
3) What material do you want when buying a performance exhaust system?
PICK ONE:
  • Standard 409 stainless steel
  • Higher cost 304 stainless steel
  • Titanium
4) What’s most important when looking to upgrade a stock exhaust system?
RANK FROM MOST TO LEAST IMPORTANT:
  • Weight reduction
  • Horsepower/Torque
  • System longevity
  • Ability to handle flow requirements due to other modifications
First I would like to thank you for spending some of those R&D duckets on us 4 banger bimmer owners.

I have put 4 of your exhaust systems on cars I've owned and have been nothing but satisfied. The BMW community seems to like over-engineered products. On the contrary, one thing that needs to be included in your new exhaust is the use of our electric baffle. It would be cool if you could figure out how to make it a big difference in sound when we open up the exhaust valve.

1). Sound Level I would choose would be noticeably louder but able to muffle with the valve to slightly louder than stock.
2) Tip finish should be polished and large dual tips on one side (sorry guys go buy a 335 muffler if you want tips on both sides.)
3) Material needs to be stainless for my application as I live in Ohio and we see salt in the winters. 304 would be ideal.
4) The most important thing is sound, but if we can free up a few ponies that would be great.

We desperately need a better exhaust selection than from the usual suspects. Sorry brands. Purchasing mufflers in bulk and welding on some cool looking tips doesn't constitute an exhaust system. Selling these for $900 to $2000 is rediculous and us enthusiasts buy them. Axel backs are a waste of money (obviously my opinion.). Let me rephrase that. Axel backs are a waste for anything over $400.
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      06-16-2018, 01:29 PM   #9
BMRSEB
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Quote:
Originally Posted by BunkerJ View Post
So:
$3000
$1500
$400

@Magna_flow ... Of note, I have purchased a few of your mufflers in the past and have been quite satisfied! On a ‘97 528i and on 2 E39 540i 6 speeds!
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