Dinan Free flow exhaust for the 545i
10-28-2005, 06:46 AM
#11
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Originally Posted by 545smg' date='Oct 27 2005, 08:38 PM
[quote name='donv' date='Oct 27 2005, 08:02 AM'][quote name='EuroCarFan' date='Oct 26 2005, 11:31 PM']When I started reading your comment, I thought you were going to say $100 per labor unit.? I was like...g'lordy!!!? $1400 for the exhaust and another $1500 to install it????? hahaha
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[/quote]Spoke to dinan in mountainview - still not avail, just taking preorders for now
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[/quote]I spoke to them yesterday and they will have the 545i exhaust in about a week. So, who's going to be the first in the bay area to get one, so we can hear what it sounds like??!!
10-28-2005, 07:05 AM
#12
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My Ride: E60 M5, F85 X5M
I've been holding out for the Dinan exhaust but I don't know if I'd pay $1400 for it. At that price, I can opt for the quad Eisenmann or the AC Schnitzer which are both more visually unique than other exhausts on the market.
Anyone know if it's just the rear muffler or is it a bit more than that, maybe including new or removed rear resonators??
Anyone know if it's just the rear muffler or is it a bit more than that, maybe including new or removed rear resonators??
10-28-2005, 07:09 AM
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Originally Posted by EuroCarFan' date='Oct 28 2005, 08:05 AM
I've been holding out for the Dinan exhaust but I don't know if I'd pay $1400 for it.? At that price, I can opt for the quad Eisenmann or the AC Schnitzer which are both more visually unique than other exhausts on the market.
Anyone know if it's just the rear muffler or is it a bit more than that, maybe including new or removed rear resonators??
Anyone know if it's just the rear muffler or is it a bit more than that, maybe including new or removed rear resonators??
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, but it's just the muffler.I assume you're aware the Eisenmann quad exhaust isn't a true dual exhaust--the right side is a dummy--see their install instructions, and pic:
eisenmann_install.pdf
10-28-2005, 08:16 AM
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Originally Posted by EuroCarFan' date='Oct 28 2005, 08:27 AM
Yeah, I'm aware that it's not a true quad system but doesn't it look sweeeeet??? I was just thinking the visual appeal might be worth the price.
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10-28-2005, 08:40 AM
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My Ride: 545i; Manual Shifter
Does a "quad" exhaust necessarily have an advantage or is it purely for cosmetic appeal? If someone could please shed more light on this as I don't completely understand the technology.
To my understanding, a car developed with a single-sided exhaust won't necessarily benefit in performance with a dual-side exhaust system. In fact, the increased plumbing may create too much back pressure (as well as increased weight) thereby reducing performance.
In order for a dual-sided system to be beneficial, plumbing must be customized specifically for the car's current engine specs and begin from the exhaust headers and then all the way to the mufflers.
To my understanding, a car developed with a single-sided exhaust won't necessarily benefit in performance with a dual-side exhaust system. In fact, the increased plumbing may create too much back pressure (as well as increased weight) thereby reducing performance.
In order for a dual-sided system to be beneficial, plumbing must be customized specifically for the car's current engine specs and begin from the exhaust headers and then all the way to the mufflers.
10-28-2005, 09:03 AM
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I might be wrong here but isn't the stock system somewhat of a "dual-sided" system? It has two pipes and two mufflers although it ends on the same side. I just forgot if the pipes are independent from the head down or if they split off at the cat. So in effect, I don't think the quad systems like the Eisenmann adds more back pressure or more weight than the stock system which already has dual piping. I think the only real difference is that one system has 2 tips while the other has 4 tips.
As to the RD system, the X-pipe that it uses aft of the cat supposedly produces a scavenging effect to suck more air out thereby increasing gas flow.
As to the RD system, the X-pipe that it uses aft of the cat supposedly produces a scavenging effect to suck more air out thereby increasing gas flow.
10-28-2005, 09:43 AM
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My Ride: '05 545i, silver gray, black leather with anthracite maple wood, sport package, premium sound, navigation, cold weather package, electric rear sunshade, folding rear seat, satellite radio prep, PIAA 4150K fogs, red rear reflectors, hardwired Valentine One
Originally Posted by EuroCarFan' date='Oct 28 2005, 09:32 AM
They're not even opened?? I had thought it tapped into the left pipes and had a little flow to it.? Hmm...I'll check with soc_fans.
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10-28-2005, 09:51 AM
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My Ride: '05 545i, silver gray, black leather with anthracite maple wood, sport package, premium sound, navigation, cold weather package, electric rear sunshade, folding rear seat, satellite radio prep, PIAA 4150K fogs, red rear reflectors, hardwired Valentine One
Originally Posted by EuroCarFan' date='Oct 28 2005, 10:03 AM
I might be wrong here but isn't the stock system somewhat of a "dual-sided" system?? It has two pipes and two mufflers although it ends on the same side.? I just forgot if the pipes are independent from the head down or if they split off at the cat.? So in effect, I don't think the quad systems like the Eisenmann adds more back pressure or more weight than the stock system which already has dual piping.? I think the only real difference is that one system has 2 tips while the other has 4 tips.
As to the RD system, the X-pipe that it uses aft of the cat supposedly produces a scavenging effect to suck more air out thereby increasing gas flow.
As to the RD system, the X-pipe that it uses aft of the cat supposedly produces a scavenging effect to suck more air out thereby increasing gas flow.
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