Downpipe resonated vs downpipe non-resonated

GOLFFRR · 05-08-2017, 09:30 AM

yikes on the cut

side note looking forward to hearing the sound in the vids
how are the downshift blips?

THX · 05-08-2017, 01:29 PM

Sound is 20% more raspy than before...with ESS CAT 200 celle was cleaner.
But burble and pops is amazing now.
Downshift blips are more louder with a lots burbles.

The problem is only the vibrations in cabin during cold start.
I would want disable the cold start but it is possible with ecu flash only

tom @ eas · 05-08-2017, 01:33 PM

Vibration means the downpipes are likely making contact with the subframe.

I would recommend removing them and reinstalling the ESS catted downpipes back in place.

THX · 05-08-2017, 02:46 PM

Donwpipes aren't in contact with the subframe, in fact during the normaly driving sport/sport+ ect. there isn't the problem of vibration.
The vibration in cabin are only in 20-30 sec of cold start.

Fugazii · 05-08-2017, 04:32 PM

Why can't modding be easy it seems like these day's everything is so sophisticated?

THX · 05-08-2017, 10:31 PM

Quote:

Originally Posted by Fugazii

Why can't modding be easy it seems like these day's everything is so sophisticated?

THX · 05-09-2017, 10:47 AM

The vibration in cold start has disappeared and I do not know why!
Now sound WONDERFUL!
Maybe because yesterday I drive very fast the and warmed up a lot the exhaust...
Now very deep but clean sound with burble and pops!!!! (My car isn't ZCP)

Here you go:

mike@x-ph.com · 05-09-2017, 02:16 PM

Quote:

Originally Posted by THX

The vibration in cold start has disappeared and I do not know why!
Now sound WONDERFUL!
Maybe because yesterday I drive very fast the and warmed up a lot the exhaust...
Now very deep but clean sound with burble and pops!!!! (My car isn't ZCP)

Here you go:

Sounds amazing

If you do not mind im stealing this video

THX · 05-09-2017, 03:28 PM

Quote:

Originally Posted by mike@x-ph.com

Sounds amazing

If you do not mind im stealing this video

Ok you can steal!

Mike@N54Tuning.com · 05-10-2017, 01:31 PM

Sounds awesome!!

Mike

THX · 05-10-2017, 05:08 PM

Quote:

Originally Posted by Mike@N54Tuning.com

Sounds awesome!!

Mike

Thank you mike!

M3ryder55 · 05-13-2017, 11:00 PM

sorry to thread jack I was casually browsing, but word on the streets for quite a while was that AR DPs have fitment issues. I know somebody will overreact to my post but let it be known. This is old news and its not surprising. What is surprising is that nobody took care of it. Hopefully the issue stays gone OP.

BoxKing · 05-14-2017, 08:44 AM

Looks like I'll be going with another brand, if customization on a so called bolt-on product is required... especially for the coin they're asking on a hit-or-miss product. They should really do some further R&D on this product line, since bad press can cripple future sales for all their distributors.

THX · 05-14-2017, 11:37 AM

I'm in contact with ar design technicians.
Next week they will test their dp on a m3 and then they will send me another new downpipes.
I hope the new dp does not have the same problems.

STR8-6IX · 05-14-2017, 01:27 PM

Quote:

Originally Posted by CPWINCH

Resonated downpipes are perfect for this engine!!! They will not restrict flow and will remove rasp. Great choice.

sounds like a very good idea. I would also delete the secondary cats and no matter what, ensure the factory resonator stays in place.

would this sound good and not raspy? I cant stand the rasp of the f80 m3.

CPWINCH · 05-15-2017, 12:07 PM

Quote:

Originally Posted by STR8-6IX

sounds like a very good idea. I would also delete the secondary cats and no matter what, ensure the factory resonator stays in place.

would this sound good and not raspy? I cant stand the rasp of the f80 m3.

Yes that would be a perfect set up. Resonated downpipes and an exhaust with two sets of big resonators would be my choice if I were building a custom exhaust

STR8-6IX · 05-15-2017, 12:15 PM

Quote:

Originally Posted by CPWINCH

Yes that would be a perfect set up. Resonated downpipes and an exhaust with two sets of big resonators would be my choice if I were building a custom exhaust

Cool, what would you do with the muffler? Stock?

TakeOne · 07-11-2019, 09:48 AM

Just came across this thread. High hopes for these resonated downpipes...
mike@x-ph.com , Fingers crossed there are no fitment issues with the set that is being sent out.

TR930 · 07-11-2019, 10:30 AM

Quote:

Originally Posted by TakeOne

Just came across this thread. High hopes for these resonated downpipes...
mike@x-ph.com , Fingers crossed there are no fitment issues with the set that is being sent out.

Are there any other brands that offer these that fit perfectly? would like a set.

mike@x-ph.com · 07-11-2019, 01:30 PM

Quote:

Originally Posted by TakeOne

Just came across this thread. High hopes for these resonated downpipes...
mike@x-ph.com , Fingers crossed there are no fitment issues with the set that is being sent out.

Quote:

Originally Posted by TR930

Are there any other brands that offer these that fit perfectly? would like a set.

AR is the only brand we offer with resonated downpipe

TR930 · 07-11-2019, 02:02 PM

Quote:

Originally Posted by mike@x-ph.com

AR is the only brand we offer with resonated downpipe

Mike, are the fitment issues ironed out?? Anyone else have these on their M3? They cost a lot and I want to make sure before I purchase.

mike@x-ph.com · 07-12-2019, 01:20 PM

Quote:

Originally Posted by TR930

Mike, are the fitment issues ironed out?? Anyone else have these on their M3? They cost a lot and I want to make sure before I purchase.

I only had one fitment issue in the last 4 years i have been offering this downpipe.

05-08-2017, 09:30 AM	#23
GOLFFRR 10802 Rep 27,595 Posts Drives: GOLFFRR cart Join Date: Mar 2009 Location: we sell BMWs to "ALL" US states iTrader: (4)	yikes on the cut side note looking forward to hearing the sound in the vids how are the downshift blips? __________________ BEFORE YOU BUY YOUR NEXT BMW, EMAIL OUR GUY KOTE FIRST! Kote M Sales:Kotem@bmwofcamarillo.com Cell:805-368-9101 vipfinance@bmwofcamarillo.com for warranties!
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05-08-2017, 01:29 PM	#24
THX Private First Class 63 Rep 103 Posts Drives: BMW M4 Join Date: Nov 2016 Location: Italy iTrader: (0)	Sound is 20% more raspy than before...with ESS CAT 200 celle was cleaner. But burble and pops is amazing now. Downshift blips are more louder with a lots burbles. The problem is only the vibrations in cabin during cold start. I would want disable the cold start but it is possible with ecu flash only
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05-08-2017, 01:33 PM	#25
tom @ eas BimmerPost Supporting Vendor 8113 Rep 18,802 Posts Drives: BMW Join Date: Nov 2005 Location: Anaheim, CA iTrader: (19) Garage List 2018 BMW i3s [0.00] 2010 BMW M3 [6.50] 2015 BMW M4 [5.25]	Vibration means the downpipes are likely making contact with the subframe. I would recommend removing them and reinstalling the ESS catted downpipes back in place. __________________ Tom G. \| european auto source (eas) email: tom@europeanautosource.com · web: https://europeanautosource.com· tel 866.669.0705 · ca: 714.369.8524 x22 GET DAILY UPDATES ON OUR BLOG · FACEBOOK · YOUTUBE · FLICKR · INSTAGRAM
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05-08-2017, 02:46 PM	#26
THX Private First Class 63 Rep 103 Posts Drives: BMW M4 Join Date: Nov 2016 Location: Italy iTrader: (0)	Donwpipes aren't in contact with the subframe, in fact during the normaly driving sport/sport+ ect. there isn't the problem of vibration. The vibration in cabin are only in 20-30 sec of cold start.
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05-08-2017, 04:32 PM	#27
Fugazii Captain 235 Rep 755 Posts Drives: G82/2022 Join Date: Sep 2016 Location: WPB iTrader: (0)	Why can't modding be easy it seems like these day's everything is so sophisticated?
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05-09-2017, 10:47 AM	#29
THX Private First Class 63 Rep 103 Posts Drives: BMW M4 Join Date: Nov 2016 Location: Italy iTrader: (0)	The vibration in cold start has disappeared and I do not know why! Now sound WONDERFUL! Maybe because yesterday I drive very fast the and warmed up a lot the exhaust... Now very deep but clean sound with burble and pops!!!! (My car isn't ZCP) Here you go: Last edited by THX; 05-09-2017 at 10:52 AM..
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05-10-2017, 01:31 PM	#32
Mike@N54Tuning.com Joint Chiefs of Staff 4911 Rep 115,980 Posts Drives: 2007 335i, 2015 M3 Join Date: Dec 2008 Location: N54tuning.com iTrader: (89)	Sounds awesome!! Mike
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05-13-2017, 11:00 PM	#34
M3ryder55 Major 191 Rep 1,317 Posts Drives: 15' MW/SO Join Date: Mar 2010 Location: Chatsworth, CA iTrader: (3)	sorry to thread jack I was casually browsing, but word on the streets for quite a while was that AR DPs have fitment issues. I know somebody will overreact to my post but let it be known. This is old news and its not surprising. What is surprising is that nobody took care of it. Hopefully the issue stays gone OP.
	Appreciate 0 Quote

05-14-2017, 08:44 AM	#35
BoxKing I Rock Your Girls Box 293 Rep 662 Posts Drives: M4 F82 ZCP AW Join Date: Nov 2016 Location: Philadelphia iTrader: (1)	Looks like I'll be going with another brand, if customization on a so called bolt-on product is required... especially for the coin they're asking on a hit-or-miss product. They should really do some further R&D on this product line, since bad press can cripple future sales for all their distributors.
	Appreciate 0 Quote

05-14-2017, 11:37 AM	#36
THX Private First Class 63 Rep 103 Posts Drives: BMW M4 Join Date: Nov 2016 Location: Italy iTrader: (0)	I'm in contact with ar design technicians. Next week they will test their dp on a m3 and then they will send me another new downpipes. I hope the new dp does not have the same problems.
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07-11-2019, 09:48 AM	#40
TakeOne Just1MoreMod 353 Rep 712 Posts Drives: F80 M3, F48 X1 Join Date: May 2008 Location: mid-atlantic iTrader: (7)	Just came across this thread. High hopes for these resonated downpipes... mike@x-ph.com , Fingers crossed there are no fitment issues with the set that is being sent out. __________________ Stage 3 - Pure Turbo F80 M3 Dinan Infested F48 X1
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