Downpipe Sound Difference VRSF vs Catless ER

kevinjt · 07-14-2016, 10:00 PM

Sorry if this has been discussed before.

I know that the gains from the Catless DPs are almost ideentical but, what about the sound?

Does the ER sounds different because of the overall larger diameter?
Or is it the same?

shivaswrath · 07-15-2016, 08:11 PM

They're the same diameter based on year.

kevinjt · 07-16-2016, 11:35 AM

Quote:

Originally Posted by shivaswrath

They're the same diameter based on year.

Yes but for example, the ER is larger in the middle and then goes down to the target diameter. Does that difference in size affects any drone or sound? Thanks

shivaswrath · 07-16-2016, 01:03 PM

Quote:

Originally Posted by kevinjt

Quote:

Originally Posted by shivaswrath

They're the same diameter based on year.

Yes but for example, the ER is larger in the middle and then goes down to the target diameter. Does that difference in size affects any drone or sound? Thanks

I have the ER, love the sound and enhanced the MPE for sure. VRSF is cheaper probably, but unsure of thickness of the steel impacts the sound drastically.

Mike@N54Tuning.com · 07-16-2016, 07:33 PM

Quote:

Originally Posted by shivaswrath

I have the ER, love the sound and enhanced the MPE for sure. VRSF is cheaper probably, but unsure of thickness of the steel impacts the sound drastically.

+1

Thickness of metal would have significant impact on sound.

Mike

kevinjt · 07-16-2016, 08:43 PM

Quote:

Originally Posted by Mike@N54Tuning.com

+1

Thickness of metal would have significant impact on sound.

Mike

Good, and which would sound deeper or better?

I know that both are great products but i'm kinda picky when it comes to exhaust sound.

What would be the difference between these 2 Mike? You can answer me via PM if you want.

mr_kay · 07-17-2016, 09:50 AM

Thickness of the metal used would not matter so much when compared to the cross sectional geometry of the downpipes. The Wagner/ER increase in diameter between the inlet/outlet, where as the VRSF seems to stay at a constant diameter throughout. I have a wagner and I'm happy with the resulting sound. I don't think there will be much of a noticeable difference between the sounds though...That would be more dependent upon your resonator/muffler setup once you have the downpipe.

Mike@N54Tuning.com · 07-18-2016, 01:09 PM

Quote:

Originally Posted by kevinjt

Good, and which would sound deeper or better?

I know that both are great products but i'm kinda picky when it comes to exhaust sound.

What would be the difference between these 2 Mike? You can answer me via PM if you want.

Sent you a PM

Mike

kevinjt · 07-18-2016, 02:50 PM

Thanks all, case closed

J_MENIS · 07-18-2016, 11:10 PM

Quote:

Originally Posted by kevinjt

Thanks all, case closed

Would you mind forwarding me the response please ?

kevinjt · 07-19-2016, 04:16 AM

Quote:

Originally Posted by J_MENIS

Would you mind forwarding me the response please ?

Hey, please contact Mikee with your question.

Jeremiah5238 · 08-12-2016, 03:52 PM

Hey Mike@N54Tuning.com, what did you tell him?

mike@x-ph.com · 08-12-2016, 05:11 PM

Quote:

Originally Posted by kevinjt

Sorry if this has been discussed before.

I know that the gains from the Catless DPs are almost ideentical but, what about the sound?

Does the ER sounds different because of the overall larger diameter?
Or is it the same?

The thicker the downpipe is in the middle the deeper the sound will be
It wont be night and day difference though

Based on that Wagner should have the deepest sound, then ER then VRSF

Tiago@VRSF · 08-15-2016, 04:38 PM

We use the same thickness of metal, same gauge and all. Our tubing goes from 4" down to 2.5" as well. Sound will be identical. Please beware of opinions from vendors who only sell one vs both brands. Anyone who sells both ER and VRSF will have positive reviews for both brands.

mike@x-ph.com · 08-15-2016, 04:45 PM

Quote:

Originally Posted by mike@x-ph.com

The thicker the downpipe is in the middle the deeper the sound will be
It wont be night and day difference though

Based on that Wagner should have the deepest sound, then ER then VRSF

Quote:

Originally Posted by Tiago@VRSF

We use the same thickness of metal, same gauge and all. Our tubing goes from 4" down to 2.5" as well. Sound will be identical. Please beware of opinions from vendors who only sell one vs both brands. Anyone who sells both ER and VRSF will have positive reviews for both brands.

Just to clarify i was not talking about the thickness of the metal like it was mentioned by Mike@n54

I was talking about the downpipe design, VRSF has a smooth transition while other designs get wider in the middle of the DP.

Tiago@VRSF · 08-15-2016, 08:52 PM

No worries Mike, I was referring to Mike@N54 and kevinjt's comments regarding thickness of material.

kevinjt · 08-16-2016, 11:15 AM

I plan on doing a direct comparison video with my buddy who has an VRSF installed. I'll open a new thread when ready. Thanks for the comments all!

mike@x-ph.com · 08-16-2016, 12:23 PM

Quote:

Originally Posted by kevinjt

I plan on doing a direct comparison video with my buddy who has an VRSF installed. I'll open a new thread when ready. Thanks for the comments all!

Sounds good, which DP did you get?

kevinjt · 08-16-2016, 06:39 PM

I found a great deal on an used ER DP + ER Intercooler

Jeff@TopGearSolutions · 08-17-2016, 09:24 AM

The differences are negligible...

mike@x-ph.com · 08-17-2016, 06:08 PM

Quote:

Originally Posted by kevinjt

I found a great deal on an used ER DP + ER Intercooler

Congrats!!

Mike@N54Tuning.com · 08-18-2016, 08:28 AM

Quote:

Originally Posted by kevinjt

I found a great deal on an used ER DP + ER Intercooler

Can't go wrong

Mike

07-14-2016, 10:00 PM	#1
kevinjt First Lieutenant 152 Rep 352 Posts Drives: 335i M-Sport 14' Join Date: May 2016 Location: Puerto Rico iTrader: (1)	Downpipe Sound Difference VRSF vs Catless ER Sorry if this has been discussed before. I know that the gains from the Catless DPs are almost ideentical but, what about the sound? Does the ER sounds different because of the overall larger diameter? Or is it the same? Last edited by kevinjt; 07-14-2016 at 10:10 PM..
	Appreciate 0 Tweet Quote

07-15-2016, 08:11 PM	#2
shivaswrath Brigadier General 649 Rep 4,323 Posts Drives: 2012 335i Join Date: Apr 2008 Location: Lost in NJ iTrader: (3)	They're the same diameter based on year. __________________ CURRENT: 2017 RS3 (miss you guys) SOLD: 2012 335i Mineral Gray M Performance Exhaust/Brakes/Suspension/LSD\|Bav Stage 1/AMP\|\|ER CP/IC/DP/OC \| Dinan CAI/N55 PWG BIG TURBO\|BMWF30.com
	Appreciate 0 Quote

07-17-2016, 09:50 AM	#7
mr_kay First Lieutenant 126 Rep 367 Posts Drives: F30 335i Join Date: May 2014 Location: NYC iTrader: (0)	Thickness of the metal used would not matter so much when compared to the cross sectional geometry of the downpipes. The Wagner/ER increase in diameter between the inlet/outlet, where as the VRSF seems to stay at a constant diameter throughout. I have a wagner and I'm happy with the resulting sound. I don't think there will be much of a noticeable difference between the sounds though...That would be more dependent upon your resonator/muffler setup once you have the downpipe.
	Appreciate 1 FSociety3812.50 Quote

07-18-2016, 02:50 PM	#9
kevinjt First Lieutenant 152 Rep 352 Posts Drives: 335i M-Sport 14' Join Date: May 2016 Location: Puerto Rico iTrader: (1)	Thanks all, case closed
	Appreciate 0 Quote

08-12-2016, 03:52 PM	#12
Jeremiah5238 Private 21 Rep 94 Posts Drives: 2012 BMW 335i Sedan Join Date: Aug 2015 Location: Olympia, WA iTrader: (0)	Hey Mike@N54Tuning.com, what did you tell him?
	Appreciate 0 Quote

08-15-2016, 04:38 PM	#14
Tiago@VRSF 2095 Rep 43,350 Posts Drives: F90 M5 Join Date: Dec 2007 Location: Doral, FL iTrader: (99) Garage List 2014 F30 328xi [0.00] 2015 F82 BMW M4 [0.00] 2013 Ducati 1199 Pa ... [0.00] 2008 BMW 335i [0.00]	We use the same thickness of metal, same gauge and all. Our tubing goes from 4" down to 2.5" as well. Sound will be identical. Please beware of opinions from vendors who only sell one vs both brands. Anyone who sells both ER and VRSF will have positive reviews for both brands.
	Appreciate 1 FSociety3812.50 Quote

08-15-2016, 08:52 PM	#16
Tiago@VRSF 2095 Rep 43,350 Posts Drives: F90 M5 Join Date: Dec 2007 Location: Doral, FL iTrader: (99) Garage List 2014 F30 328xi [0.00] 2015 F82 BMW M4 [0.00] 2013 Ducati 1199 Pa ... [0.00] 2008 BMW 335i [0.00]	No worries Mike, I was referring to Mike@N54 and kevinjt's comments regarding thickness of material.
	Appreciate 3 mike@x-ph.com24173.50 FSociety3812.50 Chicken_Joe606.00 Quote

08-16-2016, 11:15 AM	#17
kevinjt First Lieutenant 152 Rep 352 Posts Drives: 335i M-Sport 14' Join Date: May 2016 Location: Puerto Rico iTrader: (1)	I plan on doing a direct comparison video with my buddy who has an VRSF installed. I'll open a new thread when ready. Thanks for the comments all!
	Appreciate 1 FSociety3812.50 Quote

08-16-2016, 06:39 PM	#19
kevinjt First Lieutenant 152 Rep 352 Posts Drives: 335i M-Sport 14' Join Date: May 2016 Location: Puerto Rico iTrader: (1)	I found a great deal on an used ER DP + ER Intercooler
	Appreciate 0 Quote

08-17-2016, 09:24 AM	#20
Jeff@TopGearSolutions 3441 Rep 79,211 Posts Drives: C6 Z06, 09 335i, 10 335xi Join Date: Dec 2008 Location: www.TopGearSolutions.com iTrader: (37)	The differences are negligible...
	Appreciate 0 Quote