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  #1  
Old 10-14-2011, 08:55 PM
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Arrow Exhaust Comparison: Akrapovic vs. Dinan vs. Eisenmann

Starting this thread as discussion from another thread.

Quote:
Originally Posted by SLMD X5M View Post
Still gonna lightly smoke the rear lights and reflectors, and ordering the Dinan Exhaust next week. Does anybody have one installed? Im trying to get pics and a sound clip if possible...

ohh, and a nice set of L.E.D. curb feelers! (jk)

T
Have you heard sound comparison of Dinan vs. Eisenmann vs Akrapovic?

I have heard Eisenmann and Akrapovic, and like the Akrapovic.

Last edited by LeMansX5; 10-16-2011 at 11:43 AM.
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  #2  
Old 10-15-2011, 09:26 AM
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Quote:
Originally Posted by SLMD X5M View Post
I used H&R lowering kit, cut an extra coil off the front, shaved down all bump stops on the shocks (front and back), my buddy owns Industrial Motoring in Anahiem, Ca. We did it their.

Still gonna lightly smoke the rear lights and reflectors, and ordering the Dinan Exhaust next week. Does anybody have one installed? Im trying to get pics and a sound clip if possible...

ohh, and a nice set of L.E.D. curb feelers! (jk)

T

Nice ride..congrats

here is the thread about the dinan free flow exhaust from another forum. Was researching Dinan last week and came accross this thread:

Dinan High Perf Free Flow exhaust install - XBimmers.com | BMW X6 Forum X5 Forum

Will probably do it once spring hits here in the northeast.....

Last edited by stlcity; 10-15-2011 at 09:50 AM.
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  #3  
Old 10-15-2011, 12:54 PM
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Quote:
Originally Posted by LeMansX5 View Post
Have you heard sound comparison of Dinan vs. Eisenmann vs Akrapovic?

I have heard Eisenmann and Akrapovic, and like the Akrapovic.
LeMans why are the three priced so differently? The Akrapovic system is quite a few grand more than the Dinan...thanks.
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  #4  
Old 10-15-2011, 10:31 PM
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Quote:
Originally Posted by stlcity View Post
LeMans why are the three priced so differently? The Akrapovic system is quite a few grand more than the Dinan...thanks.

Akrapovic is titanium.
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  #5  
Old 10-16-2011, 11:02 AM
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Quote:
Originally Posted by stlcity View Post
LeMans why are the three priced so differently? The Akrapovic system is quite a few grand more than the Dinan...thanks.
Loaded question, so here is the answer.
In brief, What you pay is what you get(no offense).

I have Eisenmann Race exhaust on one of my BMWs and I have closely examined and heard Dinan and Akrapovic on few occasions. Akrapovic just stands out in comparison to others.

If you look at construction of three, Akrapovic is the most detailed and intricate, with better material(Titanium), workmanship and quality. Dinan is the cheapest looking of three.
Akrapovic is the lightest of three. Dinan for some reason does not state the weight of their exhaust, but is unofficially known to be heaviest.
Akrapovic is biggest setup(see pics below) and they also proivides the detailed information about their exhaust.

See pics and videos of 3 below.

You can get better than list prices on Eisenmann and Akrapovic.
Best comparison is seeing and hearing the three in person. I am getting Akrapovic next time.
BMW also uses Akrapovic on their Safety cars...see videos below.

Comparison chart:

----------------HP Gain----------Torque (Nm)---------------------------Weight (lbs)
Akrapovic ------11---------------11 lb-ft (15Nm) @ 2,270 rpm ----------50.7
Eisenmann-----14(Unofficial)--------?----------------------------------------53.2
Dinan--------------8 -----------------7 lb-ft @6000 rpm ------------------------?
Stock -----------------------------------------------------------------------------103



Dinan





This is X6 50i video...No Video of Dinan on X5M found.



Eisenamann








Welcome to Eisenmann North America
Eisenmann power gains - Eisenmann BMW E92 M3 Dyno Day


Akrapovic







http://www.akrapovic.com/typo3conf/e.../m_bm_t_1h.pdf

Akrapovic on BMW Safety cars

1M coupe Safety car


F10 M5 Safety Car

Last edited by LeMansX5; 12-10-2011 at 02:56 AM.
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  #6  
Old 10-16-2011, 04:03 PM
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Quote:
Originally Posted by stlcity View Post
LeMans why are the three priced so differently? The Akrapovic system is quite a few grand more than the Dinan...thanks.
If these are set up the same way as they are for the ///M3, Akra is priced for a full system where as the others are slip on's. For the ///M3 once you add the mid-pipe you are fairly close in price........Phil
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2011.5 Dinan ///M3:
SSII DCT
Competition Pkg
Convenience Pkg
Premium Pkg 2
Heated Seats
Enhanced Premium Sound
Black Kidney Grills
BMW M Performance Steering Wheel
BMW Carbon Fiber Performance Spoiler
BMW Aluminum Pedals
Dinan Exhaust
Dinan Mid-Exhaust (x-pipe)
Dinan Carbon Fiber Intake
Dinan Performance Tune
Dinan Pulley Kit
Dinan CH-R Wheels
Dinan Carbon Fiber Strut Tower Braces
Arkym Front Lip
Carbon Reflectors
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  #7  
Old 10-16-2011, 05:20 PM
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Thanks LeMans for starting this thread..The pics explain them all..

Sorry for the noob questions: catless downpipes refer to system without catalytic converters? I did read somewhere that there is a slight improvement in performance with the catless downpipes. Is it legal not to have catalytic converters?

Thanks in advance.
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  #8  
Old 10-16-2011, 06:52 PM
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Quote:
Originally Posted by stlcity View Post
Thanks LeMans for starting this thread..The pics explain them all..

Sorry for the noob questions: catless downpipes refer to system without catalytic converters? I did read somewhere that there is a slight improvement in performance with the catless downpipes. Is it legal not to have catalytic converters?

Thanks in advance.
Not legal and in most states it won't pass inspection........Phil
__________________
2011.5 Dinan ///M3:
SSII DCT
Competition Pkg
Convenience Pkg
Premium Pkg 2
Heated Seats
Enhanced Premium Sound
Black Kidney Grills
BMW M Performance Steering Wheel
BMW Carbon Fiber Performance Spoiler
BMW Aluminum Pedals
Dinan Exhaust
Dinan Mid-Exhaust (x-pipe)
Dinan Carbon Fiber Intake
Dinan Performance Tune
Dinan Pulley Kit
Dinan CH-R Wheels
Dinan Carbon Fiber Strut Tower Braces
Arkym Front Lip
Carbon Reflectors
Lux H8 V3
Brembo 365mm BBK
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  #9  
Old 10-20-2011, 02:57 AM
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Quote:
Originally Posted by LeMansX5 View Post
Loaded question, so here is the answer.
In brief, What you pay is what you get(no offense).

I have Eisenmann Race exhaust on one of my BMWs and I have closely examined and heard Dinan and Akrapovic on few occasions. Akrapovic just stands out in comparison to others.

If you look at construction of three, Akrapovic is the most detailed and intricate, with better material(Titanium), workmanship and quality. Dinan is the cheapest looking of three.
Akrapovic is the lightest of three. Dinan for some reason does not state the weight of their exhaust, but is unofficially known to be heaviest.
Akrapovic is biggest setup(see pics below) and they also proivides the detailed information about their exhaust.

See pics and videos of 3 below.

You can get better than list prices on Eisenmann and Akrapovic.
Best comparison is seeing and hearing the three in person. I am getting Akrapovic next time.
BMW also uses Akrapovic on their Safety cars...see videos below.

Comparison chart:

----------------HP Gain----------Torque (Nm)---------------------------Weight (lbs)
Akrapovic ------11---------------11 lb-ft (15Nm) @ 2,270 rpm ----------50.7
Eisenmann-----14(Unofficial)--------?----------------------------------------53.2
Dinan--------------8 -----------------7 lb-ft @6000 rpm ------------------------?
Stock -----------------------------------------------------------------------------103



Dinan





This is X6 50i video...No Video of Dinan on X5M found.



Eisenamann







Welcome to Eisenmann North America
Eisenmann power gains - Eisenmann BMW E92 M3 Dyno Day


Akrapovic







http://www.akrapovic.com/typo3conf/e.../m_bm_t_1h.pdf

Akrapovic on BMW Safety cars

1M coupe Safety car


F10 M5 Safety Car
Where can you get better than list pricing on the full Akra?
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  #10  
Old 10-20-2011, 08:05 AM
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+1...on list price of Akra....
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